GLB Supersonic 25lb.

Is your pool dealing with severe algae, swampy water, or heavy contamination that smaller shock treatments can’t fix? The GLB Supersonic 25 lb Pool Shock Bucket delivers professional-strength chlorine shocking power in a bulk format designed for large pools, commercial facilities, and high-demand water treatment. Whether you’re opening pools for the season, correcting major water issues, or maintaining multiple pools, Supersonic works fast to restore clarity and sanitizer balance. Built to Solve Severe Pool Water Problems When water conditions are at their worst, under-treating wastes time and chemicals. Use Supersonic to correct: Dark green or swamp pools Severe algae infestations Cloudy or milky water High chloramine levels Pool opening contamination Heavy swimmer load waste Its fast-acting oxidizing formula destroys organic contaminants and restores chlorine effectiveness quickly. Supersonic Fast-Dissolving Shock Power This high-performance chlorine shock is engineer