Spring and Fall Prep Bacteria

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Cold water natural bacteria with barley seeds biological filtration. Keeps water clear. Helps break down waste and debris. Water-soluble bacteria packets are easy to dose -- just t hrow into the pond! One packet treats 1,000 gallons. Works best in cold water temperatures between 40°F and 50°F. We recommend using a floating thermometer to check actual water temperatures. In warmer temperatures, use BioClear and Clean. Learn more about prepping your pond for winter on our blog. Safe for all aquatic life. Show more