CrystalClear® PondShock™ Beneficial Bacteria Block Tetra Pond Works best in water temperature

Works best in water temperature above 55°F

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check valve

Optional air diffuser in lid increases circulation and cleaning capacity

accenting your garden

CrystalClear® PondShock™ Beneficial Bacteria Block Tetra Pond Works best in water temperatureCrystalClear PondShock is a great alternative to chemicals to clear your pond water fast. The organic ball contains billions of all natural, live bacteria and enzymes that are designed to rapidly break down ammonia, nitrites and organic waste. Can be used in the spring to jump start biological filters, when water quality issues escalate or before new fish are introduced to the pond. Use once a months or as needed when water temperatures are above 50F.