Natural Chemistry Spa Swimming Pool Perfect Plus PHOSfree Pool Cleaner, 3 Liters

Weekly dosage of Pool Perfect and PHOSfree will improve water quality and reduce maintenance Cleans waterline and filter while reducing surface oils and other non-living organics SMARTZyme Technology reduces the buildup of non-living organic contamination Size: 101.5 ounces (3 liters) Maintains phosphate level near zero All the benefits of Pool Perfect and PHOSfree combined Manufacturer warranty: 60-day warrantyYou may also like Natural Chemistry NC20520 1 gal Pro Series Pro Blend - 4 per Case.