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Make sure the area you’re treating is well-ventilated. Open windows or turn on fans to keep the air circulating.
Pour the 3% hydrogen peroxide directly into the spray bottle—no dilution needed.
Spray the hydrogen peroxide generously onto the moldy surface, ensuring full coverage.
Let it sit for about 10 minutes. During this time, the peroxide will penetrate the mold and start breaking it down.
After the peroxide has worked its magic, use a small brush or old toothbrush to gently scrub the area.
In most cases, the mold will lift easily with just a few strokes. For stubborn spots, a little extra pressure may be needed, but the peroxide usually does most of the work.
Use a clean cloth or paper towels to wipe away the loosened mold and any leftover peroxide.
If needed, spray a bit more peroxide and wipe again to ensure the surface is completely clean.
Make sure the area is fully dry afterward. Mold thrives in moisture, so thorough drying helps prevent regrowth.
Use a fan or dehumidifier to speed up the process if necessary.
Hydrogen peroxide is so effective because it releases oxygen when it contacts mold, creating a bubbling action that lifts and breaks down mold growth. This reaction kills the mold and helps remove it from surfaces—without harsh chemicals or heavy scrubbing.
Preventing Future Mold Growth:
Keep the area as dry as possible. Use dehumidifiers in damp spaces like basements and bathrooms, and fix any leaks promptly.
Regular Maintenance:
Check mold-prone areas often. Treating spots with hydrogen peroxide at the first sign of mold helps prevent larger, harder-to-remove growths.
Safe Use:
Hydrogen peroxide is generally safe, but it can irritate sensitive skin. Gloves can help. Avoid using it on delicate or colored fabrics, as it may cause bleaching.
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