Made for those pond owners who prefer beneficial bacteria in a dry powder form. Eliminates organic matter, significantly improves water quality, buffers and aids in pH control. Safe for all marine life, pets, humans and the environment. 100% active ingredients. Simple to use. No mixing. NO FILLERS.

1oz (2-tbs.) for every 250 gallons of pond water for the first four weeks and then 2 tbs. monthly thereafter. 8oz treats 80-250 gallons for 28 weeks 16oz treats 250-750 gallons for 16 weeks 3# treats 750-2000 gallons for 32 weeks 5# treats 2000-5000 gallons for 20 weeks.