Clorox Shock Xtrablue2 Multifunctional Pool Chemicals, (6 Pack)

Clorox Shock Xtrablue2 Multifunctional Pool Chemicals, (6 Pack) Multi-functional pool shock with algae-fighting crystals Creates crystal clear water Kills and prevents green, black, and mustard pool algae Effectively kills bacteria Swim-ready in just 15 minutesYou may also like (Pack of 2) Clorox Pool&Spa Pool Chlorine Stabilizer, 4 lbs (for pool use).