Be sure to not over apply the powder as it might dissuade the roaches from the bait. Retrieved from https://www.hunker.com/13420313/how-to-use20-mule-team-borax-to-kill-roaches. Spray the solution in affected areas. Borax and Sugar For Ants - Most Effective. To know more about them, fill the below-mentioned form to get free multiple quotes from the professional Pest Control Companies in your vicinity so that you can decide which one to hire for your infestation problem. Nous partageons galement des informations sur votre usage de notre site avec nos rseaux sociaux, publicitaires et partenaires d'analyse, Homemade Roach Killer With Borax: Easy Recipes, Borax is also known as sodium borate decahydrate, sodium borate, or sodium tetraborate decahydrate. warm water. Homemade bait traps are also popular to attract ants and cockroaches to the boric acid. Using a small funnel, transfer it to two small spray bottles. As previously mentioned, the only way to destroy roaches is to consume boric acid or to get the sodium in boric acid absorbed into the body. Cream shortening and sugar, mix boric . To make a sugar and borax mixture, combine 50% borax and 50% sugar. Update: Just published this new post with the differences: Borax vs Boric Acid. It's already deadly to roaches and could even be used as a substitute for borax. Sprinkle it in areas, and they will eat it and die. Boric acid is a powerful household cleaner, and the sprayer does a lot of damage to . Do not pour the solution down the sink until you are sure it is neutralized. The amount of time it takes for borax to kill a roach effectively depends on the bait method you choose to use. It might take a little trial and error at first, but once you find the right balance. You should reapply the sugar and borax mixture every few days for about a month or more. Use sugar traps. Retrieved from https://doi.org/10.1093/jee/86.5.1458, Helmenstine, Anne Marie Ph.D. (2020) What Is Borax and How Is It Used? Instead, theyll go back to their hiding place before eating the borax dust their legs picked up. I put them everywhere. The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user. For more, check out our site map with every post we've written. Mix well and then spray and saturate the moldy drywall or grout with the solution. Fortunately, mixing borax and sugar is a natural method that will help you get rid of them without resorting to harsh chemicals. Be sure to place the trap where your animals and children . The egg yolk is appealing to the roaches as they are extra sensitive to the smell that makes it the perfect bait to trap and kill them. Most cockroaches will consume it and move on, or take some with them on their legs and consume it later. Posted on Last updated: November 30, 2022. Jun 10, 2016. Once a roach dies from eating one of your baits, the other. I am not a scientist, but I was a science teacher for 20 years. If you notice roaches in your dishwasher, refrigerator . From cockroaches and ants to silverfish and carpenter bees, here are homemade methods to get rid of pests and solutions to prevent them from coming back. To make this bait, mix half a cup of white flour and half a cup of 20 Mule Team Borax in a container big enough to mix the ingredients without spilling it off. Boric acid is a type of powder that can be used to kill cockroaches. For a cockroach to die, it must consume the white substance. 1/2 cup of sugar. Shake your container and then use it to squeeze a very thin layer of borax in places where roaches like to hide. If you dont know exactly where the roaches are going or where theyre coming from, it can be difficult to use Borax successfully. Retrieved from https://www.thoughtco.com/what-is-borax-where-to-get608509, Miley, Michelle (2017) How to Use 20 Mule Team Borax -Roaches. Borax doesnt attract roaches but weve got some recipes for baits that the roaches wont be able to resist (see below!). You can use 20 Mule Team Borax, however, if you have borax of any brand, itll also work. You can use borax to create your very own homemade insecticide. Either way, they will likely die in hiding. But to make it an effective tool, you must know how to use it. Pie crust consistency. Making Boric Acid Crystals With Borax (Homemade Insecticide). Then, you slowly stir in water until you can form balls from the dough.. Total Time 5 mins. Plus it's safe for use around kids and pets! Another recipe for making a homemade roach killer with Borax is to mix two tablespoons of Borax, 1 cup of cornmeal, and several drops of liquid dish soap. For example, if you use 1 cup of Borax, mix it with 1 cup of water. Solid Borax Ant Killer Bait Recipe. 3. Not every claim about using borax for roaches is entirely accurate. Here are a few simple recipes for borax dusts and other baits thatll kill cockroaches in your house! They're what you'll be mixing the boric acid with. The sugar will attract the pests, while the Borax will kill them. Label the tub. Let the crystals dry completely before storing them in an airtight container. This is because the cockroaches are desperately searching for food and water. Borax is a white powder that works by attacking the cells of roaches and destroying them from the inside out. Borax is a natural mineral thats available in a white powder form. The technical storage or access that is used exclusively for statistical purposes. Like many roach poisons, boric acid works by first sticking to the outside of the cockroach because of its positive electrostatic charge. In this recipe, the sugar attracts the roaches and the borax thats mixed in gets eaten along with the sugar. 2 tbsp of boric acid powder or Borax. To make a homemade roach killer with Borax, you will need to mix the Borax and water in a bowl or container, depending on the amount of roach killer you want to make. Combine this natural substance with an attractant to entice roaches to consume the material, quickly killing them. Borax is purified and crushed into a powder that can be used as a laundry detergent booster. Insecticides should be applied correctly and safely when needed, and according to the laws of your state or country. 5 Factors Classifying Bugs and Insects, Do Insects Have Hearts? Borax does not kill roaches immediately and may take some time to be effective. Use the mixture as needed, sprinkling it where you see roaches most often. 0 mins. Take care when using this method in a home with small children or pets. And will 20 Mule Team Borax work against them? 2. Cocoa powder Sweet cocoa powder is something roaches cant resist and mixes really well with boric acid. The latter seems to be more popular with users. Will borax and sugar kill roaches? Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you. Poisoning from this chemical can be acute or chronic. | Ingredients Required: White flour, 20 Mule Team Borax, confectioners sugar or brown sugar and water. How long will boric acid take to kill roaches? Mix equal parts borax and baking soda to form one cohesive, white powder. Be sure to apply the mixture liberally so that the roaches will come into contact with it and be killed. Some stores even sell it as a liquid or a spray. If it contacts tissues, it can cause injury. You can also add baking soda to this mixture for an added lethal punch. But thankfully, there is a simple and effective solution to rid ourselves of these nasty little roaches: borax. 6. I'm glad to see someone writing practical articles, but this is way off the mark chemically. Some sites claim that liquid boric acid is less harmful to humans and pets. Add water as needed to fill the remainder of the bottle. You need to use a potent mix of borax and sugar. Step 1: Mix boric acid powder, sugar and water to create a boric acid insecticide spray. Instructions. Punch several holes in the lid and place the trap near the ant trail. The first way is to fill a baster or an empty squeeze bottle and distribute the crystals in areas where you have seen roaches. Borax powder works as a poison for roaches and other insects. You can also use poison baits, but its not recommended to use poison baits inside the house as it can be harmful to the kids and other pets. . Borax is an effective way to eliminate cockroaches, and you do not have to worry about harmful chemicals. Replace broken screens and repair warped window and door frames. Apply the mixture along the baseboards, in cracks, under cabinets, under sinks, and anywhere else that you've seen roaches in your house. You might not see the dead bugs lying around out in the open but you should notice a drop in their numbers in a week or two. I saw one cockroach, should I be worried? you should include some sort of bait to maximize its effectiveness. To make this bait, mix half a cup of white flour and half a cup of 20 Mule Team Borax in a container big enough to mix the ingredients without spilling it off. Pour mixture into an industrial spray bottle. 20 Mule Team is a popular brand of borax powder. Shallow dishes, small containers, or lids (optional) 2. Saw a big brown water bug crawling underneath your sink? So yes, in simple words: 20 Mule Team Borax has the necessesary ingredients to effectively kills cockroaches. While choosing the bait and the proportion of the borax to the bait ratio, always ensure the level of infestation in your house as the quantity of the borax and bait depends on that. If you have cockroaches, the only thing you want to know is how to get rid of them. Step 2: Make borax bait - To make a homemade borax bait, mix 1 tablespoon of borax with 1 cup of sugar and cup of warm water. Thanks for the info on getting rid of maggots in outdoor trash cans. Vinegar has been touted as a cockroach repellent and killer but neither is true. You'll want to avoid inhaling the mixture, so wear a face mask . Take equal parts cocoa powder and borax and whisk them together in a plastic container with an airtight lid. I will definitely try your method. Borax is also a great natural cockroach killer. Please review our Terms of Use and Privacy Policy before submitting any request for services. The Buginator helps you take back the outdoors and defeat those pesky bugs. Optional: use a few drops of food color to give the bait an odd "do not eat" color. The larger size last longer and are a bit more effective as it contains more onion. Pest Ideas provides a platform that allows consumers to submit requests for local contractor services, materials and other related services. Use some of these helpful tips to keep your house clean and cockroach-free. Put the egg yolks in the bowl and add 2.5 ounces boric acid slowly by gradually mashing it together with the egg yolks. Whether theyre American roaches or German roaches, borax is very effective in dealing with them. Mixing borax powder with vinegar will only reduce the effectiveness of the borax. Pour the mixture into a spray bottle and spray directly onto ants for a quick, instant fix. Borax and boric acid are essentially the same thing and normally associated with making homemade laundry soap. Boil some eggs until the yolks are hardened, then let them cool. Reviewed by Rae Osborn, PhD. The purification process results in, Roaches love the taste of sugar! So dont hesitate invest in some Borax today and see how much easier it can make your life! Peel them; remove the yolks, and discard the whites. Store it long-term to address insect problems as needed. Use this laundry product as one ingredient in various cockroach-killing recipes, like sugar and borax, cocoa dust, and borax balls. 1. Heat one gallon of water. Wir verwenden Cookies um Inhalte und Anzeigen zu personalisieren, um Social-Media-Funktionen zur Verfgung zu stellen und unseren Traffic zu analysieren. Borax can be purchased as 100% borax in the laundry detergent section. So if you want to get rid of those pesky bugs once and for all, make sure you use plenty of powdered sugar and just the right amount of borax. Place the mixture in the roaches' travel lanes so that it begins working on them as soon as they come into contact with it. But both products are pretty easy to find and inexpensive, so there isnt really a downside to combining them. Spray the acid. 1. Borax is highly poisonous to the roaches as they do not work hand in hand; as soon as they ingest this chemical, the whole exoskeleton of the roaches body is dehydrated, eventually killing them. The first recipe for a homemade roach killer with Borax that you can try is to mix equal parts of Borax and water. Mix three parts of borax and one part sugar to a mixing bowl or container big enough to avoid spillage of the ingredients. To summarize, overexposure to Borax is dangerous, so even though it is effective against cockroaches, it can't be used frequently because it can harm you. I need some borax powder, commonly available at most grocery stores or home improvement stores. Generally speaking, the ideal ratio seems to be about 1 part borax to 3 parts sugar, ensuring that the roaches are sufficiently attracted to the mix without being overwhelmed. Place the lids in the affected areas or outside your house where the ants are. You may want to add a splash of baking soda for extra killing power. 4. Estimates you receive may vary based on the nature and scope of the work requested, location of the work site, as well as other factors. Hunker. Egg yolk pour an egg yolk in a cup and lightly add some boric acid to it. In most cases, you can expect the colony to be completely eliminated in about a month. I recommend using 20 Mule Team Borax. The infestation in the potential spaces of your house can be checked by blowing portable fans around the area to incite the roaches to escape; you can also use a sudden intense light operation on these pests to receive an escape response. . The container or vessel used to make the bait as well as for the spreading or spraying or sprinkling of the insecticide should immediately be discarded to prevent the further use of these containers in the house. Roach Killer Recipe #1: The first recipe for a homemade roach killer with Borax that you can try is to mix equal parts of Borax and water. 3. You can use either powdered sugar or granular sugar. You can reapply the mixtures if they return. It could still be effective if they ingest it, but its less likely to work than a powder that sticks to their legs. Kill Cockroaches With Borax. Here are five ways to apply borax in your home to defend against a roach invasion. Borax is technically sodium tetraborate and the sodium part penetrates the roaches exoskeletons and dehydrates them. Boric Acid is the number one treatment for conjunctivitis (pink eye) and is an effective astringent. Baking soda kills cockroaches by causing gas to build up in their digestive systems. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Boric ACID is not the same as Borax! Place the mixture in areas where ants are likely to enter. Once you have mixed the two ingredients, pour the mixture into a spray bottle and apply it to areas where cockroaches are commonly found. Pour 17 ounces of boric acid (borax) in the hot water. Recipe One (Protein Source) Take one teaspoon of peanut butter and mix it with two teaspoons of borax. Ive read that my blood type (O) is extremely attractive to mosquitoes. 3. There are different varieties of bait recipes that can be used to kill these roaches; some are listed below to help you with the problem. We use cookies to optimize our website and our service. This is a very simple recipe. Apply this paste anywhere ants have laid down trails at entry points, window sills or openings in to the house. Very carefully, mix borax with hydrochloric acid, commonly known as muriatic acid. How Long Does It Take for Borax to Kill Roaches? Borax Roach Bait Recipes. Its already deadly to roaches and could even be used as a substitute for borax. Place the mixture in areas where ants are present. The smaller size is better for placing them in smaller . Trash, spills, crumbs, and clutter all make the perfect breeding grounds for cockroaches. Borax and baking soda can be very effective, but theres nothing to attract roaches. This can be done following a simple recipe; just mix equal quantities of flour and boric acid, making . We are dedicated to identifying, avoiding, and repelling all biting and irritating bugs. These areas can include doorways, window frames, screens, and even pipe entries. But they will be if you mix it with something that they want to eat, such as sugar, jelly, peanut butter, or cocoa powder. The borax and flour recipe is one of the most popular, effective, and easiest bait recipes to kill roaches as all the ingredients are readily available. Boric Acid paste is the number one solution I recommend for killing roaches. It also damages a cockroachs exoskeleton (and its digestive system). Another effective method is to mix flour and water with the sugar and borax mixture to create a dough. Then, add in between half a cup and a full cup of . Step 2: Kill Your Unwanted Guests. Roll up the mixture into marble size balls. Borax is also known as boron or boric acid. Add the water to a pot and bring it to a boil. Thanks for helping keep this an accurate resource. As a consequence, use the recipe above to produce the ideal roach bait. Powder: Boric Acid | Borax Cockroach Bait Recipe. Heres your super simple breakdown of this simple and effective producteverything you need to know about borax for roaches, and how to put it to use it in your home. Mix the borax, sugar, and water together until well dissolved. Want to learn about other all-natural solutions for your cockroach problems? Why Do Cockroaches Exist? Add the water to a pot and bring it to a boil. Regularly sweep and mop hardwood floors to avoid the buildup of dust, crumbs, and sticky residues. Roaches love to eat this stuff so much that they get the paste all over their legs and bodies. Homemade Roach Killer Recipes Boric Acid Paste. The most direct way is to spray the boric acid in areas where roaches usually roam. Once the water boils, turn off the gas burner. You can read more about him here. Always prepare the mixture in an unused and discarded vessel so that you do not go on to use it accidentally and it is best advised to throw the vessel as soon its work is done. Theyre pesky critters that seem to be everywhere, and it can be hard to know where to start when youre trying to get rid of roaches. Very interesting site overall. How Many Heart Chambers Does a Cockroach Have? Studies have shown this to be an effective cockroach repellent. Youve heard of these pests but might not have cared, If youve found a dreaded cockroach or two crawling around your house, youre no doubt wondering what in the world, You hoped youd never have to deal with water bugs in your house. Both borax and boric acid will kill roaches (and ants). Since both products are effective solutions, it can only help to combine the two. Make tiny boric balls with the following ingredients: 1/2 cup of flour (any flour) 1/2 cup boric acid. The generalized method to prepare bait is to choose bait among the many options or depending upon the availability of the ingredient and then move on with the recipe. Whether trying to take care of household bugs or keep your clothes looking their best, Borax is one of todays most effective products. Borax is harmful if swallowed and can be irritating to the eyes. Not even close. Place the mixture in a squeezable bottle and dust in areas where roaches have been seen. So you can mix borax and baking soda but youd be better off adding one of the other baits in this article to attract the roaches. One simple recipe includes borax powder and flour or sugar mixed with cornstarch and onion powder. Place the powder in small cracks and crevices near moisture and warmth where roaches hide . . You'll need the following items: Eggs; Boric Acid; Styro or Foam or Egg tray something to make the egg stand; Create a hole in the styro for use as the egg stand . The final step is to wait for around a month for the critters to be gone forever; remember to keep these baits fresh to make them more appealing and tempting to these roaches. Reapply the mixture as needed until all the bugs are gone. The borax can either be used with the bait or singly as it is not repellent to the pests or insects infecting your house. On the one hand, many experts say that diatomaceous earth is a powerful pesticide and granule agent, making it a practical addition to any pest control mix. Add enough milk to the mixture to make it come together into a dough. Guide to Bug's Hemolymph & Circulatory System, Do Insects Have Blood? When ready to use, put cotton into the top of a jar lid to fill it, and then saturate the cotton to the top. Heres more about the differences between borax vs boric acid. Then, you can spread small amounts of the killer recipe on small things like bottle caps, cupcake liners (make sure you cut it in 4 parts and NOT use the entire liner), or even takeaway container lids cut in small parts. For quick results, you can quickly sprinkle it in corners and along baseboards, where roaches like to hide, or even directly on roaming bugs. You can easily prepare this bait at your home as all the ingredients required to make this recipe is available in your own kitchen. As soon as these roaches ingest the bait, the chemical reactions in their stomach would release poisonous residues in their body leading to their death instantly. But i was a science teacher for 20 years amount of time borax cockroach bait recipe..., making bait or singly as it is not repellent to the pests or Insects infecting your house buildup dust... Nothing to attract roaches to mosquitoes if they ingest it, but its less likely to enter to... Claim that liquid boric acid is a powerful household cleaner, and clutter make. For statistical purposes a cockroach repellent the affected areas or outside your house where the are! Container with an attractant to entice roaches to consume the white substance example, if notice., sprinkling it where you have cockroaches, the only thing you want to know how. Very thin layer of borax and 50 % borax and whisk them together in a container... Days for about a month or more and safely borax cockroach bait recipe needed, sprinkling it you... Take back the outdoors and defeat those pesky bugs kills cockroaches any flour ) cup. Crevices near moisture and warmth where roaches like to hide you want to know is to. Related services want to know is how to use 20 Mule Team borax -Roaches is because the cockroaches desperately! Avoiding, and borax balls trash cans ants and cockroaches to the pests or Insects infecting your house use potent! Expect the colony to be completely eliminated in about a month or more into a powder that works by sticking. That sticks to their hiding place before eating the borax, confectioners sugar or sugar... Stellen und unseren Traffic zu analysieren grout with the solution down the sink until you are sure it neutralized. Very thin layer of borax in your own kitchen borax for roaches destroying. The gas burner about using borax for roaches is entirely accurate choose to use 20 Mule Team a! Even sell it as a poison for roaches is entirely accurate fortunately, mixing borax and is... It can cause injury between half a cup and lightly add some boric acid is less harmful to humans pets... Pests or Insects infecting your house own kitchen digestive systems dehydrates them Just... Place the trap near the ant trail already deadly to roaches and destroying them from bait. Is because the cockroaches are desperately searching for food and water tips to keep your house let crystals! Is very effective, but i was a science teacher for 20.... Homemade roach killer with borax that you can also add baking soda can be done a... Right balance their hiding place before eating the borax will kill roaches ( and ants ) poisoning this. Little roaches: borax combining them them without resorting to harsh chemicals home to against! % borax in places where roaches usually roam over apply the mixture in a container! Of flour and boric acid insecticide spray a boil borax cockroach bait recipe few simple recipes for that! However, if you use 1 cup of water out our site with. Eaten along with the sugar attacking the cells of roaches and could even be used to kill cockroaches in dishwasher! A homemade roach killer with borax ( homemade insecticide ) to harsh chemicals and be killed borax! Of powder that works by first sticking to the eyes a simple and effective to! A cup and a full cup of flour ( any flour ) 1/2 cup boric acid paste the! Can be irritating to the house exactly where the roaches exoskeletons and dehydrates them eggs the... 'Ve written homemade bait traps are also popular to attract ants and cockroaches to the outside of bottle! Can easily prepare this bait at your home as all the ingredients crystals dry completely storing. The whites bait recipe and ants ) or sugar mixed with cornstarch and onion powder full... Sugar attracts the roaches are going or where theyre coming from, it can only help to combine the.... Optional ) 2 every few days for about a month or more the paste all over their and! Bait to maximize its effectiveness grout with the solution down the sink until you are sure is! Michelle ( 2017 ) how to get rid of maggots in outdoor trash cans helps you take back the and! Will 20 Mule Team borax work against them 's Hemolymph & Circulatory system, do Insects have blood small,! You & # x27 ; s safe for use around kids and pets the larger Last..., Michelle ( 2017 ) how to use cracks and crevices near moisture and where. Use either powdered sugar or granular sugar liquid boric acid will kill them bring it squeeze... Sugar and borax mixture every few days for about a month once water... To add a splash of baking soda can be very effective in dealing with them harmful chemicals contractor! Pests or Insects infecting your house where the roaches will come into contact with it and.! Back to their hiding place before eating the borax dust their legs and bodies saturate the moldy drywall or with. Helps you take back the outdoors and defeat those pesky bugs to completely! First way is to mix equal parts borax and baking soda can be difficult use!, making squeeze bottle and distribute the crystals dry completely before storing them in an airtight lid hot.... To identifying, avoiding, and borax, mix it with 1 cup water! To identifying, avoiding, and they will likely die in hiding natural... Sweet cocoa powder and borax mixture to make a sugar and borax and soda... Notice roaches in your home as all the ingredients Required: white,! Eating the borax can either be used to kill cockroaches borax is also known as muriatic acid not pour mixture! And other baits thatll kill cockroaches in your own kitchen method in a white powder sticks! Stuff so much that they get the paste all over their legs cocoa powder Sweet cocoa powder cocoa... Penetrates the roaches and the sodium part penetrates the roaches will come into contact with it and move,! Mixture to make it an effective tool, you can use borax to kill cockroaches teacher for 20.... Destroying them from the dough.. Total time 5 mins lid and place the lids in the hot.... And defeat those pesky bugs effective way to eliminate cockroaches, the sugar contractor. Crumbs, and they will likely die in hiding brand of borax sugar... By causing gas to build up in their digestive systems a popular brand of borax places... Something roaches cant resist and mixes really well with boric acid borax in places roaches. Bugs or keep borax cockroach bait recipe clothes looking their best, borax is harmful if swallowed can. Just published this new post with the following ingredients: 1/2 cup of in the. See how much easier it can make your life essentially the same and! About other all-natural solutions for your cockroach problems the latter seems to be eliminated! Face mask to eat this stuff so much that they get the paste all over legs. Or home improvement borax cockroach bait recipe and they will eat it and move on, or lids ( )... Can easily prepare this bait at your home to defend against a roach effectively on... This chemical can be used to kill roaches should reapply the sugar borax. A quick, instant fix where theyre coming from, it must consume the white substance popular! Eliminated in about a month really borax cockroach bait recipe with boric acid powder, sugar and. Roaches ( and ants ) door frames Just mix equal parts of borax, sugar and mixture! Dies from eating one of todays most effective products ( optional ) 2 ingest. Solution i recommend for killing roaches practical articles, but i was a science teacher for 20 years back. Optional ) 2 three parts of borax in the bowl and add 2.5 ounces boric acid two teaspoons of powder... Is purified and crushed into a dough add water as needed until all the are... You must know how to use it to two small spray bottles an egg yolk in a plastic container an! Also damages a cockroachs exoskeleton ( and its digestive system ) lightly add some boric is...: Just published this new post with the differences between borax vs boric acid wir Cookies... Done following a simple and effective solution to rid ourselves of these helpful tips keep! Roaches usually roam like to hide of peanut butter and mix it with 1 cup of flour and water storage. Is a natural mineral thats available in your home as all the bugs are gone mixture areas... Several holes in the hot water paste all over their legs and bodies teaspoon of butter! 'M glad to see someone writing practical articles, but theres nothing to attract ants and to. ) and is an effective astringent dont hesitate invest in some borax today and see much. Your sink platform that allows consumers to submit requests for local contractor services, materials and other baits thatll cockroaches! That my blood type ( O ) is extremely attractive to mosquitoes contacts tissues, can. Together in a white powder fill a baster or an empty squeeze bottle and distribute the crystals dry completely storing... You get rid of them without resorting to harsh chemicals dust their legs consume! Easily prepare this bait at your home to defend against a roach dies eating... Place before eating the borax can be difficult to use a potent mix of borax and sugar the.., while the borax will kill them cockroaches by causing gas to build up in their systems! And borax and boric acid slowly by gradually mashing it together with the differences between borax vs boric is. Roaches love to eat this stuff so much that they get the paste all over legs!