GLB Triple Tab 22.5lb.

GLB Triple Tab 22.5lb effectively kills bacteria and prevents algae in your pool. With added copper sulfate, these slow-dissolving tablets provide extended chlorine life and keep your water crystal clear. Trust the professional-grade quality of GLB for a clean and safe swimming experience.

– Start with one tablet per 10,000 gallons of pool water and add as needed to maintain 1-4 ppm free-chlorine at all times.