HTH 42037 Super 3-inch Chlorinating Tablets for Swimming Pools, 8 lbs

HTH 42037 Super 3" Chlorinating Tablets Swimming Pool Chlorine, 8 lbs

HTH 52037R Pool Care Shock Advanced, Swimming Pool Chemical - Cal Hypo Formula, Prevents Bacteria & Algae, Restores Crystal Clear Water - Shock Treatment, 1lb (12 Pack)

HTH 67067 Swimming Pool Care Clarifier Advanced - Crystal Clear Water in 24 Hours