Picture of No More Roaches
I have wanted to write this Instructable for a long time but could not bear the thought of a photo of a roach. I found a plastic one; problem solved. I think you get the idea from that sentence that I am just a little bit, somewhat, sort of, come to think of it, mildly, TERRIFIED of roaches. This is the story of how I got rid of the roaches in my home and they have stayed gone for 10 months now after just the initial treatment.
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Step 1: What you will need

Picture of What you will need
maple syrup pour.jpg
Boric acid powder*
Karo syrup - you may substitute honey or maple syrup or pancake syrup
Rice flour - you may substitute any flour you have on hand
1 Popsicle stick
1 Mixing bowl

Amounts as follows:
2 parts Boric acid
1 part rice flour
enough Karo syrup to make a peanut butter like consistency mixture

Important note: Boric acid powder is not something you want to inhale (get into your eyes or swallow) so mix this up outside. Wear a dust mask too until it is mixed up. It has no odor.

For a 2800 square foot home with 4 bathrooms, I mixed 2 cups of boric acid with 1 cup rice powder and about 3/4 cup of Karo syrup. I used a plastic bowl to mix in and stuck the bowl and left over bait up into the attic/crawl space when I was done baiting.

*(available in hardware stores in the US as "Roach Prufe" (this was the only way I was able to buy it, the canister is 98% boric acid and 2% blue coloring).

Step 2: What my kitchen used to look like

Picture of What my kitchen used to look like
For every roach you see there are probably 100 hiding in the walls. If you see a roach in the daytime it means you have such an infestation that they are crowding each other out of their hiding places. Did I say gross?

Step 3: What my kitchen looks like now

Picture of What my kitchen looks like now
No more roaches!
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FoxysMyGirl4 months ago

I had a problem with roaches last year following a roof leak. It grossed me out. It was the big kind that are supposed to live outdoors. They found a way into my attic and it was terrifying to me since I am a big chicken about roaches, nothing else only roaches. I saw this recipe and didn't want to make anything that would be a bait and attract more but then I thought about how they would take it to their nests that I wouldn't even know how to find in order to spray or treat them. I did it and it has been Miraculous!!! Thank you!! No roaches, not one in an entire year! It took less then 2 weeks and even in the two week period I was seeing fewer and fewer. I didn't have a lot in my house but I would see a couple per week and I knew there was a lot in the attic. Had I not used this recipe I am sure I would have seen more and more and been disgusted every time. I saw a bug on my porch last night so I am making the recipe again today. He may have just been from the flower beds but I don't care, it is not starting again here. Thank you very much for taking the time to post this amazing information!!

Ninzerbean (author)  FoxysMyGirl4 months ago
Thank you so much for taking the time to write. I know it works, that's why I posted it so many years ago. I wish more people would simply do it. I mean just read the ible and follow the instructions.
can i use regular floor and regular syrup
Ninzerbean (author)  lisa.myles.1041 month ago

Yes, it says so in the 'ible, you just have to read the whole thing.

i have the stuff is it ok to use it
I did half a cup of boric acid, 1/4 cup of flour and added a little powdered sugar and then the then the syrup. Do you think that the sugar would be okay? I found them in mine so i decided to add some haha
Are u still taking questions?
Ninzerbean (author)  myeasha.gregory2 days ago

Almost every day. What's your other one?

Do I just put the bowl in the kitchen and leave it there? Do I have to make a new mixture every day? I have 2 kids (5 years and 14 months) are they safe? I also live in an apt...this is grossing me the heck out. I have seen them in my kitchen, freezer, dishwasher, bathroom...

There are 8 steps to the 'ible, see step 7. I think you are just on the first page.

WILL it work for german (small)in my apartment .I have used boric acid powder(not bait) in past but this does not work any more .They always come back.Is bait method more effective?

Ninzerbean (author)  asma.rizvi.7984 days ago
The bait is WAY more effective because the powder alone will kill the roach that runs across it but the bait is so that the roach will bring it back to its colony to feed the others and they will die and the ones that don't die will be really upset so they will look for another place to set up house.

And yes, it does work for Germans but it will be more effective if you can find out where they are living in your place. The big ones live outside but Germans live inside and so you have to find out where and dispatch them. They like warm appliances and game players. Electronics are heaven for them.
CaseyJaye5 days ago

HI, I have alot of roaches (we seem to have both kinds of roaches) all in my kitchen they seem to be coming from behind the cabinets as they are not set flat against the wall. There is about a half inch space between the wall and cabinets, so its really difficult to put anything between. Last night I prepared the boric acid dough balls. I used 1 part boric acid, 1 part flour and a lil bit of sugar. I placed the lil balls all over the kitchen and house as wel,l where i've seen evidence of roaches. The roaches was attracted to it like it was the best thing they've had in years. However this morning when i walked in the kitchen i seen so many roaches big and small. Way more than usual. Is that normal? Does the boric acid draw them out?

Ninzerbean (author)  CaseyJaye5 days ago
Well according to some people that has been the case, but it seems to just be evidence that is it working. I don't know the reason why, I would only be guessing. This didn't ever happen to me but it may have been because the exterminators (on my first house, the one I was renting) did a big knock-down before they baited. I don't remember that, I'm just guessing.

Keep us posted on how it goes. I suspect it will get better every day from here on out.
TaraT25 days ago

I made this but it became very hard after about 24 hours, is this right?

Ninzerbean (author)  TaraT25 days ago
Yes that is normal. It's good. That way it won't move. But if you didn't get the whole house baited and you have left-over which went hard then it's probably too hard to spread and you will have to make more. If that happens again store it in the fridge (covered) until you can use it all up.

Mines have become hard as well, but the roaches are still on it lol. I guess they like crunchy too lol. On some of the balls they've eaten a hole into them. I'm not seeing as many as this morning. The true test will come tonight at 1am.

cwhitty137 days ago
Great thank you! We are doing it today, I have had Orkin pest control for over a year and they have just gotten worse so I'm hoping this helps!
Ninzerbean (author)  cwhitty136 days ago
Of course they got worse, why else would you be calling them back each month, it's sort of planned ineffectiveness. They would not be in business if they were effective.

But keep us posted so we know how you are doing.
VickiD17 days ago

Hello, I just moved into an apartment and it has roaches. They are mainly in the kitchen but I've seen a few in the bathroom and in the living room. When I initially saw them the day after I moved in, I bombed my unit. There were over 2 dozen dead roaches throughout my apartment. Babies and adults. I contacted the management and they said that they would exterminate but they had to wait a week because I had bombed and it would not be effective. During that weeks wait, I continued to kill roaches but I put them in a zip lock bag and took them to the rental office to show them that I mean business and I will not live like this. Naturally they were not happy I did that, but I'm not happy living with roaches. So a week has gone by and they exterminate (or so they said they did) I have no proof. I have been here for 2 weeks and today was the first time I have eaten here because of the roaches. I have no food in the cabinets, only in the freezer and a few items in the fridge. Today I decided to cook a frozen pizza, I opened the freezer and there was a baby roach dead between the cracks (insulation) in the freezer. I turned the oven on and put the pizza in the oven. When I went to check on the pizza there was a roach crawling along side the cabinet. I killed that one. Then when I went to get something from the dish washer there was on crawling inside the dish washer. I couldnt kill that one because he got away. No sooner than I turn back around towards the stove there was another roach crawling up the cabinet. I have never seen that many at one time. I thought I was home free because I only saw one here and there throughout this week, but to see 3 in less than 10 min. Do you think it was because I turned the oven on? I sent an unpleasant email to the rental office saying they need to exterminate again this week. I want to do your bait solution but do you think it will counter whatever the exterminators (if they are actually coming) will do? Also how often should I use the bait solution? I live in an apartment and I don't want them thinking they can travel back and forth to my unit.

Ninzerbean (author)  VickiD16 days ago
If the exterminator came and did not leave a receipt or a card I sort of really doubt anyone came. But more to the point, I LOVE that you are taking the roaches to the rental office - what a brilliant idea!

Obviously the roaches are living inside your oven, and fridge, that is why they started moving when you turned on the heat. They live there because there is warmth in the electronics.

My bait will in no way interfere with what the exterminators do, you can use both. My bait does not need to be done more than once every few years, to be safe you could put it out (it does take a long time to do) once a year. Whenever you buy used electronics know that roaches could be living in them. Read through the comments to see how many strange places that roaches live.

I would suggest meeting your neighbors and getting together on this issue with the landlord. The roaches are in your walls, so everyone must have them. Unless of course they are using my bait.
cwhitty1310 days ago
I can't see all the comments and I'm sure someone has asked this before but how long does it take for this stuff to work? Is it like a week or month or year before they are gone?
It took me about 2.5 weeks for it to work. It actually seemed to get worse the second week and I was losing hope and just started spraying the ones I could see with raid and then one night.....GONE!! I couldn't find any for 4 more days and one night I saw one more roach which I quickly sprayed and I have not seen any now for a week. It works!!! I am so grateful I followed the instructions and I have my kitchen back now.
Ninzerbean (author)  maryellenlopez8 days ago
It does start to work the same day but how fast you will see results I guess depends on how proactive you are in finding a possible nest if you have Germans (that live INSIDE your home), or how bad your infestation is to begin with.

Thanks for telling us your experience. That really helps.
Ninzerbean (author)  cwhitty1310 days ago
Right away. Like a day or two.
Thanks I will try this
cwhitty139 days ago
So I could use this if it says 99% boric acid 1% other
Ninzerbean (author)  cwhitty139 days ago
belma.rueda10 days ago
Thank you it may be safer to get rid of the microwave, I haven't needed it this past 2 weeks anyways, my husband will have to adjust, or I'll get a small one down the line if needed, I will update again in a few weeks as to how everything is going!
belma.rueda23 days ago

hi, let me start by saying I have a huge phobia of roaches, so as you can imagine, I have been having a very hard time since I noticed I had this unwelcomed visitors in my home. First it was only the big ones from outside, so i hired a professional exterminator, they came out once a month, the second month I notice a little one, the third time he came out I pointed it out to him and he said they were german roaches, after googling them I almost had a panic attack, seeing how fast the reproduce, and by then thinking i'd have thousands more, so he came out again and did something he called a "flushout" he used a little can to spray the cracks and cervices of cabinets and inside and many came running out, anyways, I thought that was the end of it. But no, now there's more than before, I see maybe one during the daytime, and a couple at night, mostly when i open the cabinets in the kitchen or in the bathroom, I don't walk into my kitchen at night at all, I'm literally afraid.

So yesterday, I made your magic potion exactly as stated, I found 100%boric acid, maple syrup, and flour, I had a limited amount of time, so I only placed it in the kitchen cabinets, drawers, under kitchen appliances, under sink, in the bathroom, and pantry, which is in the hallway, I saw one there, and behind the tv in the living room, i killed one there one time too, and above all doorframes, tomorrow, I will be going through the pantry, throwing away all boxes, storing everything in plastic containers, and baiting throughly again everywhere, but my question is, today, after halfway baiting yesterday, I saw a few very alive ones during the daytime, so does this bait, actually make them come out more before it starts killing them?

Update: so it has been 2 weeks since I used the mixture, applied it everywhere you mentioned in the steps above, and then some extra places, I deep cleaned the house, got rid of a few small appliances, a few others have been in sealed bags in the freezer for 2 weeks now, the microwave has been sitting outside also for 2 weeks, I threw away all cardboard boxes, all my kitchen and pantry items are sealed in plastic bins or ziplock bags including my cutlery and all kitchen utensils! Along with baiting I also dusted (very lightly) the boric acid all over the walls and baseboards, and ceiling, and inside the rest of the electronics, I.e. Tv's, dvd's came consoles etc, I just puffed the powder into the vents.
At first I started to get worried because after the baiting and dusting I started seeing more come out during the day and all hours, and more towards the hallway and one tried to sneak into my bedroom, but after much googling, apparently this is a good thing, since they only come out during the day when it's overcrowded, OR, when there is a stress in the environment, such as the boric acid, now I knew my problem wasn't overcrowding because I had a profesional come out before and he said it wasn't bad, because I noticed in time, so the other option was the stress caused by the boric acid which made perfect sense, specially since they just stood there, when they came out barely walking, or when I would cook they would come out because there was absolutely nothing else for then to eat, so this continued for about 10-12 days or so, the first few days I would see a few and then fewer, it's been 2 days and I haven't seen one! I'm still afraid to open the kitchen cabinets though because I feel like I'm gonna see one there but everything in there is dusted from top to bottom, (yes we've been eating on disposable) when I cook everything gets washed, dryed and put away, and cleaned! I still won't say that I completely got rid of them althought I hope I did, but I will continue to dust and clean! Specially since I told the kids we weren't having a Christmas tree if there were still roaches in the house!
Now I do have a couple of questions though, :)
I only saw a very few dead roaches in the mornings, does this mean that they could only be hiding and not gone like I hoped? Althought the ones that came out that I killed were half dead!
And my microwave has also been dusted inside and out, for 2 weeks as well as been sitting outside where it's kinda cold, would it be safe to be brought back in? I'll still probably give it another week out there if so anyways
And thanks so much I really do hope I have gotten rid of all of them, I will continue to dust just in case but I hope I'm free of roaches!! Oh and it kills the ants too, and the flies!
Ninzerbean (author)  belma.rueda10 days ago
I can only tell you of my experience with an air conditioner. I bagged it up after totally powdering it with boric acid and let it sit outside for two weeks. Totally still infested. I had to have it taken away and had to buy a new one. I don't think it is safe to take apart a microwave. Personally I don't even own one anymore, it's been a year and I don't miss it a bit. But it was only because I could not find room for one in my new kitchen and I think they are ugly. But that's just me.

As to your first question - I just don't know. I'm not a fan of using the dust because it only kills them. They can't take it back to the colony and get the message across that your place is a place to stay away from. They don't eat the powder by its self. It just kills them if they get any on themselves.

And don't believe anything a pest control guy tells you. They are trained to lie like rugs.
Ninzerbean (author)  belma.rueda23 days ago
No, seeing more was just because you are opening up everything and so you just noticed more. I'm sure there are plenty of things in your house to feed them without this bait. I don't mean you are not keeping a clean house but roaches can live on toenail clippings for some crazy amount of time. You need to be diligent about vacuuming and vacuuming and getting rid of cardboard and worst of all you have to actually look for where they are living - this is really hard to do if you are like me and I think you are. You have to pull out the stove, look inside the vents on your microwave, shake your game players (gently) and read all of the comnets to learn more than you ever wanted to know. You need to finish baiting the whole house asap. If you don't think you can knock them down enough I would have fog the place, then again vacuum vacuum etc. It's a war, really. But a war you will win. Get some help though to deal with the fear factor. Keep me posted and good luck, it's a huge effort but it does pay off.
Thank you for replying, I didn't see any when I was baiting, I mean the day after even today 2 days after baiting they're coming out in the daytime, which rarely happened before, they're just running across the floor, which I hope is a good thing meaning they're somehow dying right? Otherwise they wouldn't come out during the day right? I poured the boric acid straight onto the ones I saw so they'd take it back to the nest hopefully!
I forgot to mention on my original post that I had a wood cutting board, sitting behind the sink one day I saw one run under it, so I put it in the sink and turned the hot water on it and they started coming out of the sides of the board (thank goodness I didn't use it) I threw it away, so could that have been a nest?
One more question, sorry, how long after the baiting should I wait to see if if worked? I will be thoroughly baiting, cleaning and throwing out cardboard today, so after that how long should I wait or how would I know it really worked? Before calling a professional again!
Ninzerbean (author)  belma.rueda22 days ago

Hi Belma.rueda, I think you have German roaches. They are harder to get rid of, I was going to tell you again to read the comments but it seems hundreds of them of disappeared! I will contact HQ about getting them back because there is a wealth of info there. Or was. Anyway back to you, the bait works right away and you should see a difference the same day - BUT I think you still have colonies or nests in your house for you to see so many. I think you really might want to fog two times over a few weeks to kill any hatchlings which are not affected by the fog when they are in the egg cases. When I had my terrible infestation the guys did a big knock down with sprays or something, it was so long ago....I can't remember but they came back the next day to bait the house. See with the larger regular roaches that live outside it is easier. But living in your cutting board tells me that there are more that are crowding out others to live in such an openish place. Keep me up to date on how it goes though.

And I don't think (except for killing) that pouring boric acid right on the ones you see will do any good - you want the roaches to bring food back to the nest so they can all eat it and say this is terrible, let's move. It's not so much about killing them as having them relocate. You are sort of working with them. All the comments about the colony behavior are gone, this is now making me rather irratated.

We've used this recipe successfully on several rental Houses we used to manage. Instead of using a liquid such as syrup or honey, we used a few tablespoons of sugar. To get into really tiny cracks or behind cabinets, lightswitches, etc., we used a small plastic syringe (no needle). This works like a charm.

Ninzerbean (author)  audrey.lindsey.71211 days ago
Thank you ever so much for your input - but I don't understand - you are pulling the powder up into the syringe (and then squirting it out)? So no liquid at all? That is great for cracks and crevices and it is a good suggestion to use that AND the sticky bait so it can be stuck to more things on horizontal surfaces.

Everyone will be grateful for your idea.

Well I am about to use your bait for the first time and fingers crossed Im praying it works,but i have a question for you first. My husband and I live in a older model mobilehome with our two toddlers and two teenagers,I know not enough room and nobody wants to clean.I havent had roaches in 10 years and we live about 350 feet from my mother in law who has been dealing with her own german roach problem for some time now,well guess what 3 months ago i saw the first one here. Of course we bombed and bombed , yeah right like that worked, now ive just sprayed down my house with demon wp and a IGR ,noticed a decrease in population, but now they seem desperate for food and especially water. Our mistake was not baiting waywhen we sawthe first one .Now they are in every room the kitchen being the main ,but literally under the coffee table ,do I bait everywhere ive seen them?

Ninzerbean (author) days ago
Try to get the bait in all of the out of sight places you can access, be creative and see all of the photos in step #7. I suspect they may be living in some warm electonics - teenagers = game consoles? Maybe something like that, a DVD player?

So, first of all you have to absolutely clean clean clean so that the ONLY food they can find to eat is the bait you are putting everywhere. Then go work on your mother in law's place. Just to be nice.

To specifically to answer your question, I don't advise baiting where you have seen them but trying to find out where they are living and to deal with that, then bait, and vacuum everyday, get rid of any cardboard. AND make those kids help. Give them a nickel for every roach they kill and have a contest for the biggest one that is killed.

I do think that bombing does work, but I also think they are living somewhere inside. Keep in touch, let me know how it goes.

Well I am about to use your bait for the first time and fingers crossed Im praying it works,but i have a question for you first. My husband and I live in a older model mobilehome with our two toddlers and two teenagers,I know not enough room and nobody wants to clean.I havent had roaches in 10 years and we live about 350 feet from my mother in law who has been dealing with her own german roach problem for some time now,well guess what 3 months ago i saw the first one here. Of course we bombed and bombed , yeah right like that worked, now ive just sprayed down my house with demon wp and a IGR ,noticed a decrease in population, but now they seem desperate for food and especially water. Our mistake was not baiting waywhen we sawthe first one .Now they are in every room the kitchen being the main ,but literally under the coffee table ,do I bait everywhere ive seen them?

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