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Step 3Making the hole.
You will notice on the top of the Brita filter cartridge some radial slots for allowing water into the filter. The overall diameter of the slot pattern is just under 1/2". I've drawn a black line where you'll want to make your cuts. As the plastic is thin, be careful not to get too happy with the knife... stay calm. :)
Dump out the original contents. You will notice what look like little glass beads in with the charcoal... I believe these are resin beads and are primarily used to remove heavy metals. Have your water tested to see if you have heavy metals that you would want removed. If so, you'll likely want to go with a filtration system that includes these beads.
As a side-note, the PuR filters (owned by Proctor & Gamble) now come with a timed release version of sodium fluoride, which is toxic to mammals. You can read up on the fluoride controversy here ( http://www.fluoridation.com/ ), or you can Google the terms fluoride + poison.
Once you've got the hole roughed out, you can smooth it round with your knife, or you can use a 1/2" drill bit to ream out the hole. If you use the bit, set the drill on the higher gear range, as the faster bit speed will make a smoother, rounder hole. While you want a fast bit RPM, you want to insert the bit into your rough hole slowly so that you don't end up with tears in the plastic. You can actually use the fast moving bit to melt the hole, which will preserve the integrity of the plastic. Reversing the drill will provide friction/heat & help prevent tearing the plastic.
Finish up this step by trimming any excess plastic from around the hole and dry-fitting your plugs. Adjust the hole diameter with your knife as necessary... this isn't rocket science, the hole simple has to be tight enough to retain the plug so that the rim/shoulder of the plugs sits parallel with the surface, as shown in the photo.
Dump out the original contents. You will notice what look like little glass beads in with the charcoal... I believe these are resin beads and are primarily used to remove heavy metals. Have your water tested to see if you have heavy metals that you would want removed. If so, you'll likely want to go with a filtration system that includes these beads.
As a side-note, the PuR filters (owned by Proctor & Gamble) now come with a timed release version of sodium fluoride, which is toxic to mammals. You can read up on the fluoride controversy here ( http://www.fluoridation.com/ ), or you can Google the terms fluoride + poison.
Once you've got the hole roughed out, you can smooth it round with your knife, or you can use a 1/2" drill bit to ream out the hole. If you use the bit, set the drill on the higher gear range, as the faster bit speed will make a smoother, rounder hole. While you want a fast bit RPM, you want to insert the bit into your rough hole slowly so that you don't end up with tears in the plastic. You can actually use the fast moving bit to melt the hole, which will preserve the integrity of the plastic. Reversing the drill will provide friction/heat & help prevent tearing the plastic.
Finish up this step by trimming any excess plastic from around the hole and dry-fitting your plugs. Adjust the hole diameter with your knife as necessary... this isn't rocket science, the hole simple has to be tight enough to retain the plug so that the rim/shoulder of the plugs sits parallel with the surface, as shown in the photo.
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http://www.cdc.gov/FLUORIDATION/benefits.htm
As if the government wants to save your teeth. What a laugh.
The fluoride is called a "slow kill".
I think all people over 50 should be wise and use good judgement on how much water they consume form municipal water sources.
Just sayin.
The unfortunate thing about people who are suspicious of dentists is that their suspicion leads them to avoid dentists which in turn leads to poor oral health which eventually leads to a dentist telling them that they need extensive work, often at a high cost. Their suspicion thus becomes a self-fulfilling prophecy.
If we start with two basic assumptions
a) pain and infection are undesirable for overall health and quality of life,
b) having teeth is better than not having them
and we look at the disease processes that result in oral pain and loss of teeth, we eventually reach the inescapable conclusion that the mouth requires regular maintenance by highly trained professionals. It is a very rare person whose diet, lifestyle, immune system, anatomy, and genetics all align themselves in favor of perfect oral health.
Finally, the scientific method is unquestionably the greatest invention of the human race. Every other human invention around you exists because the scientific method works, and works well. I've provided links to the science behind the fluoridation of water. I can't force you to read it or believe it. It is up to each individual to choose truth or ignorance. I hope for your own sake that you choose wisely.
What's important is people are waking up and they are making choices based off the information of their own research.
For me, I indeed choose truth. Wisely.
In a study published in the journal Nuclear Medicine Communications this month (Jan. 2012), researchers assessed fluoride uptake and calcification in the major arteries of 61 patients who were administered sodium fluoride, the active ingredient in most fluoridated toothpastes.
Here is the link to the study;
http://www.greenmedinfo.com/article/there-association-vascular-fluoride-uptake-vascular-calcification-and-coronary-artery-diseas
The first clue to the problem is that the linked abstract is for an article published in a journal of nuclear medicine. Why would there be an article about fluoride and arterial plaques in a journal of nuclear medicine? Why not in a journal of cardiology?
The answer is that the article is NOT about a causal relationship between fluoride ingestion and formation of arterial plaques. It is about using a radioactive fluoride compound as a contrast agent to improve image quality on PET/CT scans. The fluoride in question is swallowed or injected into the patient prior to performing the PET/CT scan. The article is saying that the fluoride compound contrast agent appears to be taken up in the plaques rendering them more readily apparent in the PET/CT images.
Here's a link to a reliable site that explains what PET scan and contrast agents are: http://www.radiologyinfo.org/en/info.cfm?pg=pet
Here is another article that explains the use of a fluoride compound as a contrast agent for detecting breast cancer using PET scans (NO, it doesn't imply that fluoride CAUSES breast cancer!):
http://radiographics.rsna.org/content/27/suppl_1/S215.full
The people who posted the link at greenmedinfo.com apparently didn't read or didn't understand the article whose abstract they published. They simply saw the words "fluoride" and "arterial plaque" and leapt to the incorrect conclusion that fluoride causes arterial plaque.
http://fluorideinfo.org/index.html
It also has some information about the sort of nonsense being served up as science at mercola.com and other antifluoride web sites.
Notice that the FIN site doesn't try to scare you then offer to sell you pills/potions/filters that will save you from the thing they were trying to scare you about.
Cheers!
Petersen PE, Lennon MA. Effective use of fluorides for the prevention of dental
caries in the 21st century: the WHO approach. Community Dent Oral Epidemiol
2004; 32: 319–21.
The bibliography lists many peer-reviewed scientific papers that will update your knowledge on the subject. I recommend you peruse the Cochrane Collaboration web site (http://www.cochrane.org/#). It is considered the gold-standard for quality, peer-reviewed medical and dental science.
Those healthy, unvaccinated people you mention have the people around them who have been vaccinated to thank (and lady luck!) that they have never come down with the diseases those vaccinations prevent. Look up "herd immunity". I wish them continued luck.
Here's another page to read that may help you in your journey:
http://www.freeinquiry.com/critical-thinking.html
I wish you the greatest of success in your effort to educate your self!
They help eliminate lead (copper) and some chlorine compounds. Therefore your instructible is NOT a 100% functional replacement for a Brita Filter. They are very expensive ($100 for 50g on ebay... so probably would add a $ or two to cost of refill).