Borax is a household cleaner made from natural minerals. While not as toxic as chemical pesticides, it is harmful if swallowed and does irritate the skin. This is why it is effective in controlling fleas and other crawling insects. In order for it to kill fleas, it needs to be spread around where fleas will come in contact with it. Once fleas touch borax powder, they die quickly. After applying borax, it is best to take a mini-vacation away from home and allow it to work its magic for several days. However, if that is not feasible, applying borax and leaving for several hours will drastically reduce flea populations within your home and yard.
- Skill level:
Things you need
- Flea shampoo
- Fan rake
- Garden hose
Give your pets a flea bath. Wash your pet's bedding in hot water and dry it in the dryer. Pour borax out of the box and into a shaker container.
Cover any aquariums or terrariums to avoid dust contamination. Keep pets and children away.
Remove furniture cushions and sprinkle the furniture frame lightly with borax. Sprinkle borax all over carpets and floors.
Apply borax to any areas in your home where fleas would breed or hide. This includes behind appliances, furniture, baseboards, bathroom fixtures and pet crates.
Pay special attention to areas where pets sleep. Use a broom to work the borax into cracks or carpet fibres.
Keep children and pets away from borax powder for at least four hours. The longer it stays, the better it will work.
Vacuum furniture and floors thoroughly before allowing pets and children back inside. Discard the used vacuum bag.
Wait for a clear, dry day when rain is not in the forecast. Pour borax into a pail.
Use your hand-trowel to scoop some borax. Dust borax lightly all over your yard.
Use your fan rake to comb through grass or vegetation to ensure powder reaches the ground where fleas breed and hide. Keep pets and children away from the treated areas for three days.
Hose down any areas where pets and children play. Otherwise rain will eventually wash away all traces of borax.
Tips and warnings
- Directions for using borax to kill fleas are the same if you want to substitute or combine with boric acid, salt or diatomaceous earth.
- Test an inconspicuous area of flooring or furniture for colour fastness before using borax to treat fleas.
- If possible to leave borax permanently in cracks and crevices along baseboards and underneath furniture or wherever pets or children do not have access.
- Treat your pets with a good quality repellent to avoid recurring flea problems.
- Read and follow the warning labels on product packaging.
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