a surprising ingredient: household hydrogen peroxide. This common antiseptic, found in most medicine cabinets, can be used to effectively kill algae—no scrubbing, no harsh chemicals, and no special equipment required.
To use it, simply pour a bottle of 3% hydrogen peroxide directly into the pool water. Use approximately one quart per 10,000 gallons of water. The peroxide quickly oxidizes the algae, killing it and allowing your filtration system to do the rest.
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4. Why It Works in Just 5 Minutes
Hydrogen peroxide is a powerful oxidizer. When it
