How to mix boric acid powder with water for termites

Written by dustin pitan
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Termites can be a serious problem if left untreated. They can cause damage to your home's walls, floors, and woodworking, as well as cause general unrest and unease in your life. While it recommended to seek professional extermination help for a termite infestation, you can help control the situation by yourself with a few simple ingredients.

Skill level:
Moderately Easy

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Things you need

  • Spray bottle
  • 1 tbsp of boric acid
  • 56.7gr. of water
  • 56.7gr. of propylene glycol

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  1. 1

    Stir the propylene glycol and the water together in a container that will not be used for food at a later date. While none of these products are necessarily toxic, it's best to be safe--propylene glycol is actually a nontoxic version of antifreeze. It is used to hold the boric acid in the mixture, as well as helping the solution penetrate the wood where you feel the termites are and become part of the wood fibre. The water is used to help liquefy the solution so it can be sprayed more easily and cover more surface.

  2. 2

    Mix the boric acid into the solution. Boric acid is benign in humans, and no more toxic than table salt, according to the Environmental Protection Agency. However, it effects the insects central nervous system and also dries them up from the inside once they eat it. They will also bring it back to their hive and deposit it for other termites to eat before they all die.

  3. 3

    Place the mixture into the spray bottle.

  4. 4

    Spray the solution onto areas of your home that you have seen termites or where you think termites reside. Again, this is a good reason to have a professional help, since they can likely find all the areas termites live, whereas you may miss some. However, as this mixture not only kills termites, it also prevents wood from dry-rotting, you can put it all over if you want, even if there are no termites there. It will seep into the wood, so that if termites appear later, the boric acid will still be there.

  5. 5

    Mix more solution if you need to cover more areas. Or else double or triple the amounts of the solution initially to make more during the first batch. Use as much as you feel you need.

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