HTH 6 lbs. Pool Ultimate Shock Treatment (6-Pack of 1 lb.)

Shock treat your pool at least once a week to kill unwanted bacteria and algae. Shocking gives your pool the boost of chlorine it needs to keep the water clean and clear. The HTH Ultimate Benefit: HTH Ultimate Shock Treatment is a highly effective, 7-in-1 multi-purpose shock product that works fast to kill bacteria and algae and restore crystal clarity to pool water within 24-hours. It is convenient and easy to use while also preventing scale formation and softening your water. It wont over-stabilize your pool and contains Visible Blue Action - so you know it's working.6-pack value pack1-bag treats up to 13,500 Gal.Fast actingFast dissolvingCrystal clear water in 24-hoursContains no cyanuric acid (CYA), which means no risk of overstabilizationPrevents scale formationSoftens waterVisiblue blue action (so you know it's working)