10 Boric Acid Cockroach Bait Recipes — Wipe Out Cockroaches

10 Boric Acid Cockroach Bait Recipes

Boric acid, also called orthoboric or boracic acid, is a colorless crystal or fine white powder with the same consistency as white sugar. It’s a non-metal and low-toxicity mineral with insecticidal, fungicidal, and herbicidal properties. Boric acid is non-toxic to most forms of wildlife and animal life and is even safe to use around bees. Many of the commercial insecticide products today contain boric acid as an active ingredient to control cockroaches , termites, fire ants, fleas, silverfish, and other insects. In fact, boric acid was first registered in the U.S. for use with insecticide in 1948. The boron in the boric acid poisons the cockroaches that ingested it. When the other cockroaches eat the dead ones, they will die too. Boric acid also affects the exoskeletons of cockroaches by absorbing the waxy covering causing dehydration. While it’s not an instant kill solution , it is very effective and safer than other cockroach pest control methods out there. The killing action is very similar to pest grade diatomaceous earth .

Aside from pesticide, boric acid is also used in textile fiberglass manufacture, jewelry industry, and pyrotechnics as well as an antiseptic and flame retardant. Since it is a weak acid of boron element, it is commonly used as a precursor compound that participates in a chemical reaction that produces another compound.

Is Boric Acid safe to use?

The first time I heard boric acid, I thought it’s highly toxic just like hydrochloric acid. But the acid in boric acid is actually very weak . Boric acid is low in toxicity and relatively safe to use around children and pets. But exercise caution when using boric acid around children because they may be especially vulnerable compared to adults. As with most things, toxicity is in the dosage or exposure.

When boric acid is ingested, our body rapidly absorbs them. The majority of boric acid in the body is eliminated through urine within four days. According to the Agency for Toxic Substances and Disease Registry (ASTDR), the minimal lethal dose of ingested boric acid was 2-3 g in infants, 5-6 g in children, and 15-20 g in adults. Human exposure to large amounts of boron (about 30 g of boric acid) over short periods of time can affect the stomach, intestines, liver, kidney, and brain and can eventually lead to death. When ingested in large amounts, it may cause abdominal pain, diarrhea, vomiting, and nausea. When inhaled, it may cause coughing, sore throat, shortness of breath, and nosebleeds. Long-term exposure to boric acid is probably of more concern because it can cause kidney failure . However, a review of almost 800 cases of boric acid poisoning reported no fatalities.

Animals can be affected by boric acid in a similar way to humans but the dosage are much higher.

Boric acid does not cause cancer . There is no evidence at all that boric acid can cause cancer, unlike chemical pesticides. The U.S. Environmental Protection Agency (EPA) concluded that boric acid is not likely to be carcinogenic to humans . In some experiments with mice that were fed with boric acid and borax for two years, no evidence of cancer was found.

Boric Acid vs Borax

Borax is a sodium borate salt of boric acid . They both contain the element boron. Boric acid is more of an umbrella term for all extractions from the element boron. You’ll find them used interchangeably because they sound so similar and confusing at the same time. They are different but not totally different . Borax is easily converted into boric acid when mixed with an equal amount of concentrated hydrochloric acid. Boric acid and sodium hydroxide reaction will yield into borax and water. Here are some of the comparisons between boric acid and borax:

  • Boric acid is a fine powder with a consistency like white sugar while borax is much like table salt with rough consistency.
  • Boric acid does not form bubble and foam when heated while borax do that’s why it’s commonly used on slime or flubber.
  • Both have so many uses but boric acid is more commonly used in food preservation, tanning, industrial lubrication, and as a medical antiseptic while borax is used on soap and laundry detergents, tooth bleach, and water softeners.
  • Both are odourless white powder or crystals.
  • Boric acid is likely to be more effective against cockroaches than borax due to its finely ground consistency, especially for nymphs and smaller roach species.

What do Cockroaches Love to Eat?

Cockroaches are considered omnivores because in the wild they eat decaying plants and animals, at least the non-pest species. However, the household cockroach pest species like German cockroach , American cockroach , oriental cockroach , and brown-banded cockroach , eat almost anything they can find. They are not picky at all so I don’t even know if they should be considered omnivores. In fact, it’s virtually impossible for roaches to starve in an environment near human dwellings. In the absence of food, they turn to cannibalism and eat their own kind. But that’s only when it’s absolutely necessary. On better days, they eat what humans eat.

Some of their favorites are:

  • Starchy foods – this includes flour, potatoes, bread, pasta, corn, oats, and tortillas.

One time I had a gross-out roach encounter in my previous apartment. The sound of something trying to tear apart a plastic bag got my attention. I was amazed to see a roach biting off the plastic packaging of my remaining bread on the kitchen counter. It was so desperate to have a taste of the bread that its body was bending so hard. I don’t know if it’s the smell or if it can recognize how bread looks like. Cockroaches are smart enough to know what’s inside the bread packaging.

  • Cheese – cockroaches are attracted to the smell of cheese especially rotting cheese.
  • Meat – whether raw, cooked, or rotten, meat is always a feast for cockroaches. This includes a small splatter of bacon, chicken, beef, eggs, or ham on the floor and anything they can find around the kitchen.
  • Grease – for a drop of bacon grease on the floor or stove, cockroaches are jumping in excitement. In fact, they can get by just eating spots of grease.
  • Sweets and sugar – this might be a no-brainer. Cockroaches love all sorts of food containing sugar. Anything sweet they can find tastes like heaven to them. This includes syrups, sugar, jelly, peanut butter, and all kinds of fruits.

But wait!! In the 1980s, commercial traps using glucose became widely used against cockroach infestation. After a decade, scientists found that roaches were evolving quickly. Newer generations emerged that inherited a genetic aversion to glucose or sugar. These roaches use their small palps to sample food first and if it contains sugar (or poison), they will immediately expel it. They learn incredibly well that’s why completely eradicating them is an impossibility . So if you’ve used glucose in one of your baits and nothing happened, this is your explanation. Cockroaches used to love sweets and sugar.

  • Fermented foods – cockroaches are attracted to decaying matter. It’s in their genes. And the smell fatty acids released by fermented foods are pretty close to that. Some of their favorite fermented foods are beer, bread, yogurt, cheese, and pepperoni.В В
  • Watery food – especially when the water supply is scarce, they will turn to watery foods to keep their bodies hydrated. This includes fruits like watermelons, strawberries, cantaloupes, pineapples, and oranges.
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It’s important to know what attracts them so you can make the perfect cockroach baits.

Best Cockroach Baits Using Boric Acid

Cockroach bait containing boric acid is one of the most effective and widely used control methods out there. Non-toxic or low toxic baits have been used for many years in the control of cockroaches. They are easy to use and relatively safe around home when used correctly. Boric acid alone can be used to control cockroaches but having them as baits increases the effectiveness.

Here are some of the recipes of cockroach baits using boric acid that works well.

1)В В Raw Egg and Boric Acid

This is a very simple recipe. Cockroaches are attracted to egg yolks. You’ll need the following items:

  • Eggs
  • Boric Acid
  • Styro or Foam or Egg tray… something to make the egg stand
  1. Create a hole in the styro for use as the egg stand or base.
  2. Remove half the shell of the raw egg and discard some of the whites.
  3. Sprinkle the egg with boric acid. Don’t put too much though.
  4. Setup the bait in a location frequented by cockroaches. Sprinkle the styro with thin layer of boric acid too.

2) В В Boiled Egg, Boiled Potato, and Boric Acid

  1. Boil the egg and the potato. Let it cool.
  2. Remove the egg shell and discard the whites. Peel the potato.
  3. Use 1 part egg yolk and 1 part potato (approximate).
  4. Mash them nicely and mix half a teaspoon of boric acid with it.
  5. Roll up the mixture into marble size balls.
  6. Deploy them in the corners, under the fridge and furniture, underneath the sink, and in places where cockroaches are seen. If you can put them in cups or small cardboard, that would be best so they are easy to move or remove.

3) В В Baking Soda and Boric Acid

  1. Mix one to one ratio of baking soda and boric acid.
  2. Sprinkle a thin layer behind and underneath the refrigerator and furniture. Just a thin layer of powder practically not visible to naked eye is enough.
  3. In hard to reach areas, you can use a bulb or bellow duster.

4) В В Bacon Grease and Boric Acid

  1. Mix 1 part bacon grease with 1 part boric acid. Cold bacon grease would be best to use.
  2. If your home is cool, the mixture would be paste like. You can then stick a pea size underneath shelves and kitchen cabinets.
  3. Do not apply near kitchen utensils and food preparation areas.

5) В В Dry Pet Food and Boric Acid

  1. Grind a few pieces of dry dog or cat food. Cockroaches love pet food because they are moist and very inviting.
  2. Mix 1 part with 1 part boric acid. Make sure you mix them well.
  3. Serve it in a small containers and place them in areas where cockroaches are seen. If you have pets, make sure they will not have access to the mixture.

6) В В Peanut Butter, Baking Soda, and Boric Acid

  1. Mix 1 part each of peanut butter, baking soda, and boric acid.
  2. Place the mixture in a small container.
  3. Deploy them in the corners, under the fridge and furniture, underneath the sink, and in places where cockroaches are seen. If you can put them in cups or small cardboard, that would be best so they are easy to move or remove.

7) В В Flour, Sugar, Minced Onions, Boric Acid, Milk or Water

  1. Mix 1 part each of flour, sugar, and boric acid. Make sure they are mixed well.
  2. Add small amount of water or milk first and mix thoroughly.
  3. Add some minced onions and continue mixing until you can roll them up into marble size balls.
  4. Deploy them in the corners, under the fridge and furniture, underneath the sink, and in places where cockroaches are seen. If you can put them in cups or small cardboard, that would be best so they are easy to move or remove.
  5. Check the baits daily. If they hardened, add a few drops of milk or water to moisten the dough balls. It helps cockroaches feed on it easily.

8) В В Flour, Cocoa Powder, Boric Acid, Milk or Water

  1. Mix 1 part each of flour, cocoa powder (like Hershey’s or other brand), and boric acid. Make sure they are mixed well.
  2. Add small amount of water or milk first and mix thoroughly until the mixture is paste like.
  3. Put the mixture in small containers or jar lid and deploy them in the corners, under the fridge and furniture, underneath the sink, and in places where cockroaches are seen.

9) В В Condensed Milk and Boric Acid

  1. Mix one to one ratio of condensed milk and boric acid.
  2. Put the mixture in small containers or jar lid and deploy them in the corners, under the fridge and furniture, underneath the sink, and in places where cockroaches are seen.
  3. There may be cockroaches that are sugar averse so if this didn’t work, try out a different recipe.

10) В В Beer and Boric Acid

  1. Dissolve a teaspoon of boric acid in 1-2 ounces of beer.
  2. Put the mixture in small containers or jar lid and deploy them in the corners, under the fridge and furniture, underneath the sink, and in places where cockroaches are seen.
  3. Place a thin layer of boric acid outside and around the containers.

Just to be on the safe side, use disposables when preparing these cockroach baits. Discard them after, especially the plastic utensils.

wipeoutcockroaches.com

How to make cockroach balls with boric acid

This recipe is one of the best to get rid of cockroaches with boric acid.

This recipe is one of the best to get rid of cockroaches. Out of all the variants I’ve tried, this is the most effective. It’s simple to make and you only need everyday household items.

The fresh onion is what really makes this recipe. Cockroaches are attracted to onion so the balls will start working immediately. But as the onion starts to decompose it continues to attract cockroaches. The balls also help to slow the decomposing so they’re effective for quite a while.

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Total Time

15 minutes (+ drying time)

Ingredients

  • 200g of boric acid
  • 1 medium onion (You can use onion flakes but they’re not as good)
  • 1 cup of flour
  • 1/4 tsp of salt
  • About 100ml of milk

Equipment

  • Metal or ceramic mixing bowl
  • Spoon (not wood or anything porous)
  • Kitchen gloves

Directions

  1. Finely chop up the onion.
  2. Mix together the boric acid, onion, flour, and salt
  3. Add enough milk to the mixture to make it all come together into a dough. Pie crust consistency.
  4. Roll into 1-2cm balls. The larger size last longer and are a bit more effective as it contains more onion. The smaller size is better for placing them in smaller spaces. Sometimes there’s not a lot of space behind fridges and dishwashers.
  5. Place them on wax paper and allow them to dry. You could place them like this, but they’ll be sticky and will stick to the surface. Something you’ll have to clean up later.

Where to place them

These are not edible. Do not place them where children or pets can reach them.

  • Behind fridges
  • Behind dishwashers
  • In corners of cupboards, cabinets and drawers
  • Under furniture
  • Under stoves – just need to be careful that the region doesn’t get too hot. Otherwise the balls will cook.
  • Along floor boards
  • Around the garbage
  • Behind flower pots

47 thoughts on “ How to make cockroach balls with boric acid ”

Thanks for the tips.. I’m
Thanks for the tips.. I’m going to try this. don’t like cockroaches!!

How long do they last for?
How long do they last for?

It’s hard to say.

Over time they may dry out and the attractant won’t be as effective, but they won’t lose their potency. Boric acid will remain effective for many months.

When the effect start
When it gonna get rid of the cockroach

If the cockroaches are taking

If the cockroaches are taking the bait, you shoudl start seeing dead ones in a few days.

Wax Paper
Do i have to use wax paper or can i use baking paper?

You can use baking paper, but

You can use baking paper, but it is slightly absorbant. You may get some bait seep through to the floor after a few days. It’ll also accellerate the drying out of the bait.

The wax paper doesn’t have these problems.

been making Boric balls for
been making Boric balls for years the first i put them on the floor with nothing under them, took weeks to clean it.I next used the base of an egg carton break into cells can be picked up and moved for sweeping, it also works on mice.

Mice! Will have to check this

Mice! Will have to check this out. Sounds very interesting.

How does this actually kill
How does this actually kill the cockroaches? Is it a poison that they eat? Will it kill other animals like spiders, geckos etc?

Yes, it’s a poison that they

Yes, it’s a poison that they eat. We have a bit of informaiton about how it works on cockroaches here: http://www.boricacid.net.au/uses-of-boric-acid

Boric acid can also kill spiders and geckos. Our guides are primarily designed for indoor use. It’s near impossible to target a single pest outdoors.

I cockroach balls and while
I made some cockroach balls and while they were drying on the kitchen sink I had roaches come out and start eating them before i had the chance to place them around the house! So i found out early that the balls work getting the roaches to come out and eat the balls. So I think the boric acid will do the job i bought it for

I’m glad to see you have very

I’m glad to see you have very obedient and agreeable cockroaches.

I have cockroaches living
I have cockroaches living inside the door of my dishwasher, if I were to make these balls, place them in a plastic container and put them inside the dishwasher on the floor, would it work? Is it safe? Thank you

Yes, that would work. Just

Yes, that would work. Just need to give the diswasher a rinse afterwards.

Hi, I tried making the balls
Hi, I tried making the balls but they wouldn’t set, so I spread the goop around the top of my dishwasher where they were coming from. It looks like they’re finally gone. I was wondering what the best and safest way would be to clean the dishwasher from the boric acid? Especially the lining on the inside of the door where the water doesn’t touch. Thank you

With a wet cloth would be

With a wet cloth would be fine. You could also wear rubber gloves to be on the safe side.

Just wanting to know if this
Just wanting to know if this will work on German Cockroaches?

Yes, this will also work on

Yes, this will also work on German Cockroaches.

Hi, i just bought one package
Hi, i just bought one package and hope to get rid of german cockroach which has been our problems from summer. I have seen them under my microwave but i checked and clean and i still don’t know where they came from (we’ve plaster all the possible opening as well) I will tried this ball and hopefully it will work. My question is, how long should i leave these balls and can i put small balls inside the microwave? then how can i clean it later? many thanks.

Don’t put the balls in the
Don’t put the balls in the microwave, just put them around. They’re probably just using your microwave for shelter and come out to feed.

The balls will last for a few

The balls will last for a few months. Thet don’t need to go inside the microwave. They can be thrown in the bin after and a wipe of the surface will clean up any mess.

It works. Takes 3-4 weeks and
It works. Takes 3-4 weeks and you suddenly realise there is no scurrying in the kitchen when you turn the lights on. I understand I must replace the mix on a regular basis. I am going to do so every 8 weeks. Try it. I was desperate. Have now overcome the cockroach invasion. Thankyou

Excellent! Great news

Excellent! Great news

My experience using them on a
My experience using them on a live aboard boat was to add fresh ones after 2 weeks to kill any new hatched roaches.

Hi. I made boric acid balls.
Hi. I made boric acid balls. After a while they became rock hard. Are the cockroaches able to eat that hard thing or did i make it wrong? Also, can i use the boric acid powder alone? Thank you.

The cockroaches will still be

The cockroaches will still be able to eat the balls. Smaller balls are easier for them to eat. And yes you can just use powder alone. Check out this guide: http://www.boricacid.net.au/easy-way-get-rid-cockroaches

just received my boric acid
just received my boric acid can’t wait to try out these balls and see the results to this pesky pests.

I tried borax for a little Ng
I tried borax for a little Ng time not realising that they like the stuff and the boron is good for them. Can’t wait to make a batch of cockroach cookies with boric acid because we’ve been plagued by these little blight ears for years. Thank you.

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What if i just have 50 gm of
What if i just have 50 gm of boric acid?

That amount of boric acid

That amount of boric acid will also work, it just may not work as fast.

A North Qld lady swears by
A North Qld lady swears by her recipe and it seems an easier path. 1 tsp Boric Acid 1tsp sugar or honey & 1tsp milk. Mix to a paste consistency and place in milk bottle tops ( no mess )around hidey spots. Do you think that this will work ? I am ready to place an order with you but would like your input on above recipe.Thanks in advance

It may work, but it sounds

It may work, but it sounds more like a recipe for getting rid of ants with boric acid.

It does work. I have been
It does work. I have been using this method for the past 25 years and never had to deal with cockroaches. Boric acid, sugar, milk .. mix to form a dough and lay the little balls around the bathroom, kitchen and any ‘wet’ areas. Just ensure that these balls are not in reach of children and pets.

can you use greaseproof paper
can you use greaseproof paper?

You certainly can.

You certainly can.

It does work,you can omit the
It does work, you can omit the honey. Boric acid + sugar + milk can do as well.

Thank you so much for this
Thank you so much for this recipe! It definitely works!

What can I add to the boric
What can I add to the boric acid balls to keep them soft?

The balls are still effective

The balls are still effective when they go hard. The cockroaches will still consume them.

No recipe to review, just
No recipe to review, just mentions onions, but not if raw or boiled to mix with the boric acid so going with the Nth Qld recipe in comments.

I made these balls 1 1/2
I made these balls 1 1/2 years ago. It worked. I need to make new ones now. I use boric acid, cooked egg yolk and a mashed potato.

I order a tub today and
I order a tub today and waiting for my delivery to arrive.. hopefully soon!
We have roaches coming into the house from outside and they don’t seem to be interested in any of the expensive roach gel bait I have purchased (Advion & Maxforce). Wondering if the bait can be left outside near the door to kill them outside rather than waiting for them to get in and eat it indoor? I am 80% certain that their nest is somewhere outside but it is quite difficult to locate it.

If you do leave a bait

If you do leave a bait outside you need to ensure only your targetted critters can get to it. You wouldn’t want pets or other animals consuming it.

Will borax work as well?
Will borax work as well?

We’re not big fans of borax:

I made this and my mix came out a bit runny, but I set up some smeary looking little ball things on baking paper and put them in the pantry where most of the roach action has been. It appears they had a bit of a feast and I haven’t seen or heard from any of them since and its been 2 days. I guess I’ll leave the bait in there in case there are more, but seems to have worked amazingly well, thank you.

www.boricacid.net.au

Boric Acid Cockroach Killer Recipes

Living in a place with a cockroach habitat makes you unhealthy. The cockroach may live in residences and apartments making it dirty and disgusting. You surely want to remove and kill it soon. But, do you know that it is almost impossible? Killing cockroach is as same as killing ants in the house. Luckily, to kill cockroaches, you can use chemical substances, boric acid to kill all.

What Is Boric Acid?

Boric acid is a chemical substance easily soluble in the water. It has low acidity level that can be used for some industries. This acid is famously known to have low toxicity so that it is safe to kill fungus, ants, and cockroach. Though it is effective to kill cockroach, you need to be careful in using it. It is potentially dangerous for your pets because those are easily poisoned.

Simple Recipes To Kill Cockroach Using Boric Acid

Boric acid is an effective killer for cockroach at home. If you want to utilize it, you need to make a right boric acid recipe for cockroach killer. This is very simple to make it.

Heloise Recipe

Heloise recipe for cockroach killer will need the other ingredient combinations. You’ll need;

  • 1/2 of onion
  • 1/2 of flour
  • 8 ounces of boric acid
  • 1/8 cup of sugar
  • 1/4 cup of shortening and water to form dough

Mix sugar and shortening and then mix dry ingredients into shortening dough. Pour water and form small balls from dough. The dough can be placed everywhere at home to kill cockroach. But, make sure that it must be placed out of children reach. That is very simple to make.

Peanut Butter Boric Acid Recipe

Peanut butter can be used to make pasta to kill cockroach. Mix a cup of boric acid with a cup of sweet peanut butter. Then, add water to make pasta. Honey can be used to sweet it without sugar. You may add a spoonful of honey for the mixture for cockroach bait. Place it in the spot where you often see cockroach. You should check it two or three days. If it looks dry, spray it with water to keep the humidity so that cockroaches smell it. This is actually not an instant solution. The cockroach must swallow it if those want to die. After it is digested, you can wait for one to two days to kill it. It is actually effective to kill cockroach in the nest.

Tips to Boric Acid Cockroach Killer Recipes

To use boric acid as killer recipe, you replace hardened balls with the fresh one needed. You also use borax as the substitute of boric acid. But, boric acid is further effective. You can also add some bacon grease into the mixture. It is making the cockroach more appealed and difficult to refuse it. Those boric acid cockroach killer recipes are diy recipe that can be made at home. Before implementing this recipe, you should cover the nest or out way of cockroach so that the effects of boric acid cannot spread to your pets. It is better to place it at night in order that your kids don’t get curious and touch it. That is fairly dangerous.

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