Bio Enzyme, Waste Water Treatment, Membrane manufacturer / supplier in China, offering Pond Algae Control 1 Liter - Water Remediation and Eliminate Algae Blooming in Pond & Lake, Safe - Fish and Shirmp - Algae Control, Pond Nitrate Remover - Biological Removes Nitrates From Water, Ideal - Fish and Shrimp & Aquaculture Farming - Nitrate Guard, Nh3 Removal- Aquaculture Shrimp and Fish Pond Water Management - Nitrifying Bacteria Reduce Ammonia-Nitrogen and so on.