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How Can One Use Boric Acid for Fungus?

People often panic at the sight of fungus or mold in a home, but fungus and mold grow almost anywhere there is moisture and little or no light. While the majority of fungus are not toxic to humans, some are. Killing fungus regularly, before colonies can get deeply rooted, is a good idea.

Things You Will Need

  • Breathing mask
  • Boric acid
  • Hydrogen peroxide
  • Vinegar
  • Large spray bottle
  • Scrubbing pad
  • Water
  • Bucket

People often panic at the sight of fungus or mold in a home, but fungus and mold grow almost anywhere there is moisture and little or no light.  While the majority of fungus are not toxic to humans, some are.

Killing fungus regularly, before colonies can get deeply rooted, is a good idea. 

  1. Identify fungus colonies by checking under sinks and anyplace else where moisture collects.
  2. Mix 1 cup boric acid, 1 cup hydrogen peroxide and 1/2 cup vinegar in a large spray bottle.
  3. Spray the boric acid mixture onto the fungus colonies you have identified and allow the mixture to soak for 15 minutes.
  4. Put on your breathing mask and scrub the fungus colonies with a scouring pad. Clean the pad in a bucket of water frequently. Make sure that the fungus colonies you're scrubbing are still wet with the boric acid solution. If they dry out, re-wet them before scrubbing.
  5. Re-spray the scrubbed areas with the boric acid solution and allow the solution to dry.
  6. Tip

    Spraying all of the problem areas with the boric acid solution every week or two will help prevent new colonies from forming. To prevent fungus from collecting, keep the area dry in the future by wrapping sweaty pipes, fixing leaking pipes or using a dehumidifier.

Things You Will Need

  • Breathing mask
  • Boric acid
  • Hydrogen peroxide
  • Vinegar
  • Large spray bottle
  • Scrubbing pad
  • Water
  • Bucket

Tip

  • Spraying all of the problem areas with the boric acid solution every week or two will help prevent new colonies from forming. To prevent fungus from collecting, keep the area dry in the future by wrapping sweaty pipes, fixing leaking pipes or using a dehumidifier.

About the Author

Larry Parr has been a full-time professional freelance writer for more than 30 years. For 25 years he wrote cartoons for television, everything from "Smurfs" to "Spider-Man." Today Parr train dogs and write articles on a variety of topics for websites worldwide.