Evolution Aqua 21903

Evolution Aqua 21903 Kusuri Klay is a highly effective pond flocculant that rapidly clears green and murky pond water by clumping suspended particles together so they can be captured by your filter system. This natural clay-based formula is completely safe for koi, goldfish, and all pond plants, making it a worry-free solution for water clarity issues. It works in harmony with your existing filtration, enhancing its efficiency without disrupting beneficial bacteria colonies. Kusuri Klay is particularly effective after periods of heavy rain, algae treatments, or when introducing new fish. Trusted by koi keepers and pond professionals internationally for fast, reliable water clarity results.