Chlorine Granule, HTH, Granule, 18 lb

Get the ultimate in pool care convenience with this all-in-one Cal Hypo formula. It sanitizes, controls algae, clarifies, softens pool water and even prevents stain and scale to keep your pool clean, clear and ready for summer fun.

• All-in-one sanitizer and shock treatment
• Kills bacteria and algae
• Softens, clarifies and prevents stain and scale
• Visibly sparkling blue water in 24 hours