GLB Supersonic 1lb. (pack of 6)

Dealing with green pool water, algae blooms, or cloudy conditions that just won’t clear up? The GLB Supersonic Pool Shock 6 Pack gives you the power and quantity needed to fully restore and maintain clean, swim-ready water — not just treat it once. Perfect for pool openings, problem water, or seasonal maintenance, this fast-dissolving chlorine shock works quickly to eliminate algae, destroy contaminants, and restore sanitizer performance. Designed to Solve Real Pool Problems This 6-pack bundle is ideal when a single shock treatment isn’t enough. Use it for: Green or swampy pool water Mustard, black, or green algae outbreaks Cloudy / hazy water clarity Pool openings after winter Heavy rain contamination High swimmer loads Instead of guessing how many bags you’ll need, this bundle ensures you’re fully stocked to correct and maintain water balance. Fast-Acting Supersonic Formula GLB Supersonic is engineered for rapid dissolution and immediate impact, helping you: Oxidize