Replenish winter bacteria loss, jump start your biological filters and break down unwanted waste as soon as the ice melts. CrystalClear Spring & Fall Prep is formulated for the cooler months of the season to accelerate the decomposition of leaves, scum, and sediment that create pond muck during the fall and winter months. These easy-to-use, water-soluble packets are safe for fish, plants, pets and wildlife while keeping your pond looking its best even when water temperatures drop below 60°F.

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