CrystalClear® PondShock™ Beneficial Bacteria Block White This EPA registered algaecide has

This EPA registered algaecide has no water restrictions and is safe to use when proper dosages are followed

6lb bucket contains 32 tablets

high capacity biological filters for freshwater or saltwater applications

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

CrystalClear® PondShock™ Beneficial Bacteria Block White This EPA registered algaecide hasCrystalClear 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.