How to Control Bacteria Growth in a Gardening Water Tank

Rainwater tanks or barrels provide a great way to save money while growing a successful garden. However, during the rainy season, water may remain in the barrel for long periods of time, resulting in stale, bacteria-ridden water. This water can be more detrimental than useful to your plants, as it carries a risk of spreading diseases. Control and prevent bacteria growth in your rainwater with some simple steps and you can use that rainwater when you need it.

Things You'll Need

• Measuring cup
• Vinegar
• Oxygen bleach
• Large paddle

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Instructions

1. • 1

     Determine how much water is in your rain barrel.

   • 2

     Pour 1/2 cup of vinegar and 1/4 cup of oxygen bleach into the rain barrel for every 5 gallons of water.

   • 3

     Stir the mixture around in the rain barrel to mix throughout. This solution will instantly sterilize the water, killing off any bacterial growth.

   • 4

     Let the water sit for 24 to 36 hours, allowing the oxygen bleach to completely dissipate and the mixture to convert into oxygen and water.