Clorox Pool&Spa 33506CLX Pool Shock XtraBlue (6 1-lb Bags), 6 Pack, White

Multi-functional pool shock with algae-fighting crystalsCreates crystal clear waterKills and prevents green, black and mustard pool algaeKills bacteriaImproves filter performanceSwim-ready in 15 minutesReduces chlorine odor and eye irritationWon't impact pH