PAK® 27 10 Pound Bag

PAK® 27 is approved for use as an algaestat or algaecide for the selective and broad-spectrum control of algae and cyanobacteria in lakes, ponds, drinking water reservoirs, aquaculture and wastewater. PAK 27 works through an oxidation process, releasing hydrogen peroxide into the water supply. PAK 27 has no fishing, no drinking, no swimming, and no irrigation restrictions. PAK 27 is safe to use in water bodies with Koi and trout.   How To Apply PAK 27 PAK 27's active ingredient, sodium carbonate peroxyhydrate, creates a powerful oxidation reaction that destroys algal cell membranes and chlorophyll, providing immediate control of algae.