does using salt-based tooth powder scratch your teeth?

I have soft enamel and I am looking for a natural tooth powder that, at the very least, won't further damage my enamel. Most tooth powder recipes I've seen use sea salt as an abrasive. I've also heard from dentists that salt is too abrasive and will scratch your teeth microscopically. Is this true? Could I grind the salt finely before using or would that defeat the whole purpose?

Question by    |  last reply


Avoid using PVC

I see a lot of projects that use or re-use different grades of PVC pipe due to its easy use and availability. Free or cheap PVC seems to be a good material choice for those who lack the tools and skills needed for metal or wood work. I suggest that builder rethink this choice. Exposure to PVC is dangerous to your health. Fumes and dust from cutting, drilling and accidental burning or overheating PVC are known to cause cancer.A few points:PVC production is the largest use of chlorine gas in the world.Chlorine production consumes enormous amounts of energy.Chlorine production causes mercury pollution. Hazardous by-products are formed throughout the PVC lifecycle.By-products of PVC production are highly persistent, bioaccumulative, and toxic.PVC is extremely difficult to recycle.PVC is one of the most environmentally hazardous consumer materials ever produced.source: http://www.healthybuilding.net/pvc/ThorntonPVCSummary.htmlDifferent grades of PVC have different melting points, flash and glass temperatures. At 70-80 Degrees C (~150 F), most grades begin to soften and degrade in performance. This should be taken into account when building projects that involve any kind of direct or indirect heat, including hot water, etc.(I've edited this post to contain more useful information)

Topic by toxonix   |  last reply


will using muriatic acid to clean shower tiles harm porcelain tub?

Muriatic acid is a strong cleaner. If it his the tub, will it cause damage?

Question by    |  last reply


What can I use to dissolve inkjet ink that won't harm mylar? Answered

I have a stock of large sheets of translucent mylar that I want to use as tracing medium. The trouble is that I got them from an engineering shop, so they have plans printed on them. I've had some success "erasing" the drawings using either alcohol hand sanitizer or acetone, but both require some elbow grease and some kind of abrasive, which leaves the surface mottled. Is there a solvent that will dissolve the ink and leave the surface of the mylar more-or-less undamaged? My research suggests that the ink was laid down by an inkjet printer, though I can't be entirely certain.

Question by yoyology   |  last reply




Can a bamboo plant and an Apple Snail coexist?

I'm thinking about putting one of my extra Bamboo plants in my Apple Snail's aquarium, any thoughts? My main concern is fertilizer on the roots being harmful to the snail. Would rinsing off the roots be enough?

Question by action_owl   |  last reply


I have a big office cherrywood desk unblemished and need suggestions for covering? 65 L X 27W how much for glass?

I would like glass but unsure of cost and thought of plexiglass or open to other suggestions that will not harm unblemished beautiful desk top.

Question by    |  last reply


Is it dangerous to heat up a crafting pipe cleaner? Answered

I am wondering whether its safe to melt, not burn, pipe cleaners to see what happens. I am wondering whether it's made with something extremely toxic or carcinogenic such as PVC in which the fumes would be harmful.

Question by dont_unplug_me   |  last reply


Is it possible to add a power dial to any of kipkays laser projects, So that I could have it range from no harm to kill?

Like it ranges from something to cut diamonds (If possible) to something I could use with kids? I was thinking dial because you get more settings. Please help.

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is it possible to water proof a book so as to be able read in the rain?

I am wondering if it is possible to water proof a book so that it can be read out in the rain or mayhaps the shower. I thinking some sort of chemical bath of some sorts.also i might add that shoulden't harm the book in any which way or direction.

Question by smartish   |  last reply


Can i put this little bottle in my aquarium?

I'm asking this because on the bottle there is a sticker, i dont know if it's harmfull for my fish (in a cold-water aquarium). I want this bottle in my aquarium for decoration, I'm going to fill it with red fluid (foodcouloring i think). Unless the sticker will do harm to my fish. Does anybody know?

Question by lukeD   |  last reply


Where can I get recycled industrial textile material?

 I've been looking for this: http://www.markrobson.fr/page5/files/metisse1.jpg kind of industrial recycled felt(?) type material everywhere and I can't seem to find any source that isn't exclusively sold wholesale with insanely huge minimum bulk orders like 1,000 meters minimum or something. I really really like the look of the material and wanted to use it for home decor things like for furniture or even use as a rug and possibly clothes or something and I also of course like the fact that it's made of recycled materials. Which brings up another question does anyone happen to know if this stuff is safe for those kinds of applications or is it similar to fiberglass insulation which is actually pretty harmful to touch? I really want to use it for clothes or home decor if it isn't harmful but definitely don't have the money or even use for anything over 10 meters of this material and even that's a stretch I really am looking more like up to five meters or so at the moment.

Question by ADIAN HERRERA   |  last reply


Can anyone help explain this strange chemical smell from our laundry room and basement?

We had discovered a very strange kind of chemical smell coming from our laundry room and the very same strong smell from the basement sort of linking toward the hot water tank. I had done laundry last night and started to smell it when I woke up the next morning. We are worried if it is something harmful. Could this be something from the hot water tank or something else? Please help!

Question by allnet2005   |  last reply


Is oogoo (DIY Silicone Putty) Oven-safe?

Hello! I have a question for people who use oogoo, or generally DIY silicone molding putty made from 100% silicone caulk. I want to cast oogoo molds of lego bionicle masks with polymer clay, but my issue is I need to keep the clay inside the mold in order to prevent any kind of warping, as most of it is spread a little thin (1-2mm thickness) and I don't want to end up warping it even in the slightest. Is oogoo or cured 100% silicone caulk oven-safe as long as it's within the specified temperature range? (I already know most DIY silicone putties aren't food-grade.) The silicone caulk I'm using is GE all purpose silicone I, mixed with corn starch, acrylic paint, and baby oil. The back of the tube says that it should not be used on surfaces that will exceed 400F/205C. The polymer clay I plan on using is cured at 110C, so I don't think it'll be a problem, but I'm worried exposing the silicone caulk mold to high temperatures will cause it to release some harmful chemical compounds. I looked up an MSDS sheet for GE silicone, and they had a generalized one stating exceeding the maximum temperature will cause the release of formaldehyde. Since I plan on baking these in our kitchen oven, I wouldn't want harmful chemicals contaminating a space where we cook our food. Also, if baking isn't an option, since the polymer clay is spread thin, and cures close to 100C, would curing it in boiling water be an option? (That way any water soluble chemicals would remain contained while the clay hardens.) All help is appreciated!

Topic by SixFootBlue   |  last reply


How can i turn comic book pages into a wallpaper for my room? Answered

Hey guys, i have this spiderman comic that my brother got me for christmas and it happens to be all in french. I cannot read french but still love the comics (hence why he got it for me.) So i had the idea of turning the pages from the comic book into a wallpaper for my room. The general idea was i would cut each page out of the comic book, stick it to my wall one next to the other and then if possible put some sort of covering over the top to protect the pages. this would mean that bumps and such actions would not harm the wallpaper. Any ideas on how i should stick these pages on as well as cover them all? I have been told i could stick them onto card and then paste that onto the wall but still i dont think that would be as easy.? 

Question by Wozzaman   |  last reply


What is the best multivitamin for men to take?

Hello community, I am banging my head against the wall trying to figure out which men's multivitamin is the best for me to take. The more research I do , the more complicated things get. I read that multivitamins in pill form are the worst because of extremely low absorption rates (As low as 10%). Do capsules offer a high enough absorption rate or should I go with a liquid or spray? Spray multivitamins seem to be all the rage right now claiming an absorption rate of 90% and higher. The next problem is finding something with natural ingredients. I keep hearing about how synthetic vitamins can cause more harm to your body than good. One article said that natural vitamin A fights cancer while synthetic vitamin A isn't even suitable for a dog. To complicate things further, there are 20 other similar factors that make finding the best multivitamin very difficult. How do I tell if all the ingredients are in natural form? I just want to make sure that I am taking something that is healthy and good for my body. Does anyone have a good multivitamin recommendation for men (age 32)?

Question by ChippMarshal   |  last reply


A primer on picking

So, judging by what I've seen so far, a lot of people have a terrible concept as far as lockpicking goes. They don't know if it's legal, if it's really possible, etc. As such, let me begin by saying the very first thing you should do if you're interested in picking is go somewhere else. I don't intend to give you a full tutorial about how to pick. You can find that online in a lot of places. A good idea is to subscribe to a forum of experienced locksmiths and search there for a while. One I highly recommend is lockpicking101.com. Picking is a fun, albeit expensive hobby. It's also a living, or part of a living for a lot of people. I am not the devil for advocating lockpicking. Believe me, if someone wanted in your house to take your stuff or to cause you harm, they'd be more likely to go through a window than to take the time to pick a lock. I am not making the world any more, or less, secure with the information I post here. Owning picking tools is not illegal pretty much anywhere in the continental US, except maybe in Washington, D.C. Picking a lock you don't have a right to is illegal, and immoral, everywhere. It really can't be said enough: NEVER PICK A LOCK THAT DOESN'T BELONG TO YOU OR THAT YOU DON'T HAVE PERMISSION TO.

Topic by BorisTheSpider   |  last reply


Need a cheap way to make a mold of a fairly large object Answered

I've never made a mold of anything before, but I have a statue that I would like to make a replica of. The statue is about 18 inches tall, 5 to 6 inches wide at its widest and 6 inches deep at its deepest. It also sits on a 2 inch high 10x12 base, but I don't really need to cast the base, I could fabricate a new one very easily. I read the featured instructable for making silicon molds and it was very useful, but I think silicon would be very expensive for this big an object. At least 3 gallons, I'm thinking. That would run at least 300-500 dollars, and I'm looking to spend more like 50-75. Is there another technique, or another material I could use? My sculpture I think is cast from resin, and I'm fairly sure it's at least partially hollow. It's not intricately detailed, but it's hand painted, so I don't want to use anything that will damage it. Could plaster work? Rubber? Cheaper kinds of silicon? What sort of material would be best to cast the replica out of once the mold is done? I'm open to any kind of material, in fact I'll probably try a few different ones. Plaster, resin, maybe plastic or even rubber if that won't harm the mold.

Question by UselessTrivia   |  last reply


The real gas guzzler: Car that turns hydrogen into electricity hits the road

Car that turns hydrogen into electricity hits the roadIntroducing the family car that runs on hydrogen and pumps out only pure water from its exhaust pipe.Honda's FCX Clarity is the world's first production hydrogen-powered 'fuel cell' car - with its own onboard power station which creates electricity to drive its motor.It has a range of 280 miles and a top speed of 100mph, yet emits no harmful pollution. And it is about to become the latest 'must-have' accessory for the Hollywood set wanting to show off their green credentials.Just the thing at a time when oil prices are rocketing to record highs. The only drawback? Finding somewhere to fill it up.The FCX is the result of nearly 20 years of research and many prototypes by the Japanese firm.It is being launched first in California where Governor Arnold Schwarzenegger has spearheaded the creation of a chain of hydrogen filling stations - as part of his environmental drive for cleaner cars. The first five customers include movie actress Jamie Lee Curtis. Honda claims the FCX offers three times better fuel efficiency than a traditional, petrol-powered car.The highly explosive lighter-than-air gas - which once kept the ill-fated Hindenburg airship in the air before its fiery end in the 1930s - is kept safely in a pressurised tank in the boot.Honda plans initially to produce about 70 of the eco-cars a year. They are initially available only to lease for around £300 a month including insurance - equivalent to a purchase price of £24,000.But Honda admits that the billions it has spent on research means that the true cost would be more like £1million per car.British motorists will have their first glimpse next month at the British International Motor Show in London's Docklands. Although there are price issues, its great to see there's development of this idea. I hope this sort of car is available for the "common man" at a "common price" soon.......

Topic by Keith-Kid   |  last reply


How do I clean a 55 Gallon Plastic Drum that contained Industrial Grade Detergent?

I picked up three free 55 gallon plastic drums after seeing them posted on craigslist.  I was inspired by the compost tumbler and rain collection instructables, and I was looking to build my own.  However, the plastic drums contained an industrial grade detergent used in food and beverage processing facilities.  Two of the barrels were FiChlor Foam HD and the other contained Liqualin CC.  Do you think I could clean these out enough to make them safe for these projects?  Would the chemicals have leaked into the plastic? For rain collection, I was going to use the water for flushing my toilet, so it wouldn't be for watering a garden, and definitely not for drinking.  For the compost, would the chemicals remaining in the plastic leak into the compost?  And then would any plants exposed to that compost die? I really appreciate some feedback on this.  I've read most instructables on here that involve 55 gallon plastic drums, and the recommendation is to use Food Grade containers.  I'm just disappointed about the possibility of not being able to use the ones I picked up because they contained a detergent.  The containers are marked as "Corrosive" and "Do not reuse this container unless it is first professionally cleaned and reconditioned."  This is definitely a bad sign. :( Thanks guys, Eoin Here's some information I found from the manufacturer, Chemetall: Safety and Handling Precautions: Oakite FiChlor Foam HD is a highly alkaline chlorinated material containing sodium and potassium hydroxide. Direct contact causes irritation of eyes and skin. It is harmful if swallowed. Avoid contact with eyes, skin and clothing. Wear safety goggles, rubber gloves and other protective clothing when handling. Wash thoroughly after handling. Avoid breathing vapors. Use only in well-ventilated areas. Do not take internally. Liqualin CC:  Heavy-duty, low foaming, non-silicated alkaline liquid for use in CIP systems or spray washing stainless steel processing equipment in beverage and food plants.

Question by eoingrosch   |  last reply


Hydrogen Peroxide at home and in the Garden

Although the topic is quite old for some of us and mostly because I am too lazy today to make an Instructable: Hydrogen Peroxide ! Back in the day Hydrogen Peroxide was mainly known for the ability to bleech your hair, later it replaced chlorine based products for the preparation of paper and organic fibres. For me it is a good opportunity to go back in time and to pull out some of the remedies my grandparents already used. Who knows, there might be something that helps you or you might know other good uses that I failed to mention here, so feel free to comment. First off: What actually is hydrogen peroxide? We could check Wikipedia but I think it is enough to say that it basically water with an added oxgen mulecule which turn the stuff into a quite powerfull oxidizer. When hydrogen peroxide reacts the added oxygen is released and the normal water remains. Precausions and health risks. In the normal supermarket form hydrogen peroxide comes at a strenght of just 3%. This is just enough for wound treatment or cleaning off a fresh and small stain. The stuff you can buy at your hair dresser comes in concentrations of 5-15%, above that it is of little use to them. Pool grade peroxide however can come as high as 50%. It often requires a permit of at least leaving a copy of your drivers license to buy such high concentration but well worth it price wise. The downside of anything above 5% is a risk for your skin, eyes and airways. So when handling hydrogen peroxide you should waer long sleeve rubber gloves, safety or better swimming goggles and make sure that you don't create vapour by spraying it against the wind direction. Having water at hand to dilute and spillage on your skin is always good. What happens to me if things go wrong? Well, if handled correctly nothing should go wrong but of cause the worst would be eye contact. Getting concentrated hydrogen peroxide in your eyes means extreme pain and even with rinsing it out asap eye damage is more than just possible. Again: wear proper eye protection and if spraying use a filter mask, the paper type is enough!!! Nothing immediate happens on sking contact but a few minutes after contact the skin will turn slightly brown or goes white. This is caused by the oxygen release into your skin cells, if washed off quickly after noticing the discoloration will fade after a few hours. Prolonged exposure of the skin can cause skin cells to fully discolor and living cells might get damaged - a burning sensation is usually the sign that you need to wash the area now ;) Enough bad stuff said, let's see what we can do in the garden.... Fungal infection of your old roses or on your fruit trees? Sometimes the weather does not like our plants and by the time we discover a fungal infestation it is usually pruning time. There are commercial producta available that work quite well but especially the copper based ones tend to do more harm than good in th long run. An alternative is a solution of 10-20% hydrogen peroxide. Spray generously over all affected parts of the plant, leaves, twigs, stem and all. Make sure everything is properly wet! In some cases the fungus can act as a water replellent and it seems impossible to get any of the solution to wet these areas - a drop of dish washing liquid into the bottle will fix this! Watever runs off can be left as it only helps to get oxygen into the soil but of course you should not soak the area... Leave it on for about an hour, around 20 minutes if it quite warm. Rinse all off with clear water and repeat every 2 days for 5 treatments all up. After this time wait 2 or 3 weeks and check if the fungus still gows in some hard to reach areas. If so then repeat the treatment there until satisfied but wait another 2 weeks every 5 single treatments. In some areas of the world certain types of fungus on roses are refered to as "rust". ----- Moved into a new home and the garden beds smell really bad? The last house I moved into had a previous occupant with a big dog but no time to clean after his pet. The garden beds looked dead and I mean so dead that I could not even find weeds in them. And the smell was a distinct mix of old dog poo with lots of fresh cat poo mixed in it - the perfect outdoor pet toilet :( Trying to dig it all under made me recover that the top soil was more §$&*# than soil. I had to get rid of the bacteria of all the poo and somehow neutralize a lot of the unwanted "nutrients". The solution was to first loosen all the soil as deep as I could go. Then I added rice straw (but anything straw like or dry grass will do) to mix it through. At this stage I wished I had a gas mask LOL All up the contaminated garden beds covered about 20square meters. I got a 10 liter canister of pool grade hydrogen peroxide, from this I diluted down with 20 liters of water and a few drops of dishwashing liquid to help with the soil wetting. All was applied as evenly as I good with a watering can and then the area was covered with some tarp to try keeping as much oxygen on and in the soil as possible. A day later the tarp was removed and all beds watered with hose to drowning point. This watering was repeated every 3 days for 3 weeks to drive out all the excess and unwanted nutrients from the poo. The smell was already gone except for some cat urine residue which disappeared after some rounds of watering. Three months after the initial treatment I did some soil tests, added nutrients were required and the next season I had vegetables growing :) ----- Planting? Whether from seeds or seedlings, give hydrogen peroxide a try! I use a 5% solution to soak the potting mix I use before putting my seeds in it. Not only does it kill a few of the unwanted things that might still be in there but it adds a lot of oxygen into the soil, which gives the seeds a much better start. For seeds I use a 5% solution as well but only leave them in for about an hour before placing them between some wet paper towels until they start germinating. This way I can be sure all harmful bacteria and fungal spores are dead and I can use a sterile seed to keep going. Might just be my opinion but I think the germination rate is better and seedling in comparison start growing faster and stronger. Home uses.... As we learned before hydrogen peroxide, at least in higher concentrations is a powerful way to remove fungus. In our bathrooms we often have the problem that the ceiling starts to develop black spots as in the colder times water condenses here and takes a long time to dry off. If you now go to your favorite hardware store they will recommend the use of a chlorine based product, basically bleach... And although it does the job it also means your house will stink for days and if you scrub the ceiling you will get it on your sking and stink too. Hydrogen peroxide at 20% or higher concentrations can be sprayed onto the cleiling :) Of course you will need good protection for this and all things color should be removed, like towels or floor mats. By protection I mean a minimum of swimming goggles, a tyvek suit or similar to cover all exposed skin areas and at least a paper dust mask, better a filtered respirator like you use for spray painting or using insecticides. If you have a spray bottle with an adjustable nozzle then a stream is far better than a spray mist!! Not only is your exposure far lower but it much easier to wet the ceiling quickly. Wet all affected areas, then leave and the room, close the door and take off all clothes you used t protect you. The clothes can be left out to dry but double check that you had no soaked spot where your sking might have been in contact - if so rinse the skin with plenty of water! It will take some time to work and then dry, so best to do this in the summer time or if during the colder times you need to make sure the room is porperly heated and aired out to dry! Repeat until all black spots are gone, really bad areas will leave a permanent discoloration looking like a slight brwonish color is the ligh it right otherwise you won't see it. Once fully dry it is best to scrape off all lose paint and then to use a acrylic based sealer before giving the ceiling a fresh coat of white. The sealer will prevent the water to penetrate more than the paint level and if you get the fungus back on the paint it is far easier to clean ;) ----- Carpet cleaning.... When moving into a new rental with carpet on the floor you often are left with areas indicating the carpet might be "clean" but the underlay certainly is not. You can fix the underlay but you certainly can make sure all harmful stuff is gone from the carpet. Carpet cleaning machines can be hired but often much cheaper if you buy the "recommended" cleaning product with it. Rent is usually based on a daily base and price depends on how much cleaner you need. If you only want to desinfect the carpet which otherwise looks mostly fine than go for the smallest pack available and use it to spot clean areas you want cleaner first. For the desinfecting part I recommend to test how high you can go with the concentration of the hydrogen peroxide before using it on a big scale - keep in mind the carpet will never be fully dry and the remaining peroxide will continue to act! Test a 10% solution first before you go higher as you don't want to buy 30 liters or more of pool grade peroxide - just trust me on that one and only try to buy this much you do want to get into trouble a few days later! If 10 percent solution left on the carpet does not cause any bleaching of the fabric (unwanted bleaching that is) you can try higher for spot cleaning in demanding areas. A good spot to try the solution is under the cover or duct outlets, under these joining bars where carpet changes to tiles (if you can lift them off) or in wardrobes if the carpet goes inside. There are two way to treat your carpet once the general cleaning is done. a) use a garden sprayer or similar to wet the carpet This is good for single room treatment like for the baby room but especially on thicker carpets it requires a lot of solution and can become costly. Once wet leave for at least 30 minutes so the peroxide can do its thing, then use the machine with either the solution filled or just to dry off the carpet. I recommend to use the peroxide solution in the machine as it allows for better penetration and it will remove more soiled solution this way. If your catching container starts bubbling like mad it means you have a lot of §$%&#+ in the carpet and it might be best to first clean it all with the normal carpet cleaning agent before using the peroxide again - again tesing on smaller areas can help wasting the peroxide. If you need to store prepared solutions than it is best in a cold place. It will take several hours on an otherwise clean carpet for the peroxide to fully disappear so it best to use shoes and prevent skin contact during that time - especially if a baby crawls around ;) ----- Toilet.... We don't want to talk about it but everyone needs to clean their toilet sooner or later. For most things in there using the toilet brush when it happens will keep things clean and healthy. But what if someone in the house is sick or with a weak immune system? You could use all sorts of commercial cleaners and desinfectants but a wipe with wet towel or cloth soaked in a 10% solution of hydrogen peroxide will quickly eliminate all harmfull things on your seat, lid or bowl, including the buttons to press and the door handles ;) Just wipe and leave it wet for a minute or two then wipe again and ry - done! Personal use I always pack a small bottle of supermarket grade peroxide when going off road or camping trips. Although we now have modern desinfectants that won't stink or otherwise harm you I still prefer the old stuff ;) If you are far from civilisation than the last thing you want to need is medical attention for something that started as small as a scratch or graze.... Out in the unkown wilderness you will never know if the rockk you just crash landed on was used as a urinal by a fox the night before... A bit of gravel left in your skin might contain harmful bacteria... A cut with your own knife?? - What did you all cut since the last proper cleaning of the blade? You see where I am going here, a small thing might turn into something really nasty a day or two later. If you clean a freash and minor wound properly and then rinsie it with hydrogen perodixe most if not all harmful leftovers will be killed by the releasing oxygen. Of course this pretty much useless on bleeding wounds or where it is obvious that you won't be able to remove all debris from the wound - here it means you trip is still over in favour for proper medical treatment. The thing is that hydrogen peroxide was basically abandoned for all wound treatment once the modern "cleaning aids" became available as the peroxide will not only attack harmful things but also living tissue. The claims goes as far as causing bad scar tissue, damage to blood vessels and even "burning" of the tissue. One big problem I have with all these claims is that they were never really mentioned until the new meds came out. IMHO exposure time and how you use it it the key - common sense if you ask me. Noone should ever soak a wound in peroxide, if it is that big that you need to soak it you need medical attention anyway. And as said you should rinse the wound, that means all remaining liquid should be allowed to flow off - this will only leave a minor amount of peroxide in the wound and the exposure time will end with once all oxygen is released. For minor wounds I only use a paper tissue or cotton bud soaked in peroxide and wipe the wound.... ----- Smelly feet? Ok, maybe not the best way to start a conversation but we all know what sneakers do to our feet in the summer... Insoles with copper and activated carbon will help a lot and at least "cure" your sneakers while they are off your feet and have time to dry. But the smell is actually cause by bacteria growing from everywherey in your sneaker to your sking, actuall starting at your sking... If you wear your sneakers for long periods of time time or even whenever possible and also suffer from a bad smell hydrogen peroxide might be able to help you. Most sneakers will tolerate a machine wash and should come out germ free, if that is no option pack them in a sealed back and leaven them in the freezer over night - this will kill all bacteria and remove the smell. Now to break the endless cycle you need to remove the bacteria from inside your skin. So daily sock changes, freezing shoes and washing feet is a must! Your feet will really benefit from a foot bath in a 5% solution of hydrogen peroxide. To keep costs at a minimum use a container that is just the right size for your feet and prepare the solution from pool grade peroxide. I an ideal case you should not need more than 2 liters but all used product can be stored cool and re-used the next day, after that you need to make a new batch. Keep your feet submerged for at least 10 minutes. This will allow a deep penetration of the skin but might result in some white spots that will disappear after a few hours. Consenquent foot baths can be reduced to 5 minutes. After about a week you should notice that wearing your sneakes no longer causes and bad smell and you can stop the treatment. Freezing the sneakers over night, dialy (or more) sock changes and daily, proper cleaning of your feet should prevent any further bad smells :) ----- Bleaching your hair Althoug it was done for many years I really can't recommend using hydron peroxide for this purpose! Any concentration strong enough to have a proper effect in a reasonable time will at least cuase skin irritation. Back in the days they said your burning scalp is what you need to endure to get blonde hair :( And as said already you really don't want to get that stuff into your eyes... General uses If you have a fruit based stain then cahnces are hydrogen peroxide will remove it, especially if fresh. Even at supermarket concentration repeated application and proper drying off with a paper towel or similar will remove even red wine or beetroot stains. ------ Blood... On you skin blood is easy removed with cold water, same on other surfaces but washing off is no option a wet cloth or cotton piece will work fine. Hydrogen peroxide is good if things need to go fst or if the surface is porous, here the releasing oxigen will drive out the blood with the bubbles. ----- Fish tanks... If you love your tank then you really hate to medicate or even worse have a bad algea infestion, especially the stuff of the black kind. A change to activated carbon filter material is always recommended after a medical treatment to remove all leftovers from the system. However, certain medication simply won't be affected by a carbon filter and stay in the system until fully used or broken down otherwise. Especially in bigger tanks a partial water change is often out of the question as it would cause too much additional stress to the fish and plants. Hydrogen peroxide can help to break down most if not all remains of the used medication while at the same time adding more oxygen to the water. To be sensitive and safe in all enviroments I recomment to calculate the concentration based on the volume of your tank and to add the required amount of peroxide very slowly into the outgoing water stream from your pump. By slowly I mean in terms of a slow drip if using solutions over 10% to be added to the tank. If in doubt remove a suitable amount of tank water into a bucket and add the concentrated peroxide to reach the final tank limit. I strongly recommend to stay below 2% in favour over additional treatments a few days later if required. That means the diluted solution you add should be entered into the tank slowly if in doubt add a glass full every few minutes. For the treatment of the dreaded black algea you do the same 2% solution but be prepared that it will take several treatment until you see them die off. If you can then it is best relocate the fish for a few days so you can use a stronger solution of 5-8% just with the plants left in the tank. When transporting fish in a bag it can pay off to add a little bit of 3% peroxide to the bag to give additional oxygen for transport. I do this maually for every fish I buy from a store so I can be sure all fungus and bacteris is killed of before I introduce it to my tank. Really helps to prevent loosing a lot of fish just because you added one or two more to your tank ;) For the normal sized transport bags I use a good shot glass full of 3% peroxide in case you wondered. ----- Fridge and freezer Be it after long use or because you bought one second hand - once empty and warm some of our colling gadget just smell bad. A good clean with a hot water and your favourite cleaning agent is a good start, no need for aggressive stuff ;) If clean but still smelly, like after a power failure with fish in it you might want to go one step further. Best option is to use a spray bottle and a peroxide solution of at least 15% here. Use proper protection as mentioned above and spray all surface with the solution until soaked. What you can take out you take you take out, clean properly and then wipe or brush with the same peroxide solution. Bare aluminium should be handled with caution as in some cases it can oxidise badly, leaving a white and not removable crust behind. Here it is best to wipe and then wipe again with a cloth soaked in clear water to limit exposure time. No need to dry out - wipe out and check if it still smells, if so repeat and wiped off all areas as good as you can with a solution soaked cloth. Once the smell is gone dry out and enjoy smell free use from now on :) ----- Fruit and vegetables Unless you know exactly what happened to it you might want to clean your vegies and fruits properly before using them. Pesticides, herbicites, fungicites.... Not mention normal fungus and bacteria on the product.... On a commercial base hydron peroxide baths are often used to clean products for sensible people, hospital use or long term storage. For a personal use this only makes sense if you have free and unlimited access to the peroxide. An alternative are ozone bubblers. Expensive models can eb bought in shops or online, complete with timers or even a gauge showing the concentration in a room. On a hobby level for the kitchen sink we can use an ozone generator, air pump and bubble stone from the aquarium store ;) Let the pump bubble out the ozone for a minute or two, fill the sink with the fruit and veggies and move them around every few minutes. Best of course with an open window to limit you exposure to the ozone! Rule of thumb: If you can smell it is already too much in the air! The ozone in the water does the same as the peroxide: It breaks down harmful things with pure oxygen. The downside is that it is very harmful for your airways and body in general, so against all what youtube can offer I actually prefer to treat my fruit and veggie in a sealed bag. Place them inside, push out as much air as you can and then fill up with the ozone from the generator. Once the bag is full leave for about 30 minutes then wash and use or place the things in the fridge.

Topic by Downunder35m   |  last reply