CrystalClear® PondShock™ Beneficial Bacteria Block White high capacity biological filters for

high capacity biological filters for freshwater or saltwater applications

Accelerates decomposition of leaves

One inch is available in 50' rolls only and may or may not always be available at short notice

Pure+ is not intended to clear green water

CrystalClear® PondShock™ Beneficial Bacteria Block White high capacity biological filters forCrystalClear 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.