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Using Bleach to Disinfect Stored Rainwater

Using Bleach to Disinfect Stored Rainwater

A gardener collected rainwater from a pool cover and wondered how long it stays usable before becoming stagnant. Stagnation occurs when organic matter decomposes, but frequent use prevents it. Plants tolerate stagnant water fine.

Simple Disinfection

Add 1/8 teaspoon (8 drops) of household bleach per gallon of water to disinfect it. This keeps the water clean for irrigation without harming plants.

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