Clean Clear Blue from OrganicPond.com is an all-in-one treatment for large ponds.This blend of pond dye and beneficial bacteria is an ideal alternative to using chemicals to limit excessive plant and algae growth. Bio-augmentation enables pond owners to balance the nutrient load in their pond, reducing the potential for nuisance plant and algae growth by digesting decomposing matter. Pond dye also limits growth by limiting photosynthesis.