HTH Green To Blue Super Shock System; 7.2 lbs.; Quick dissolving, kills bacteria and controls algae, restores water clarity, All-in-one chlorinates, shocks and kills algae. Transforms water in 24 hours, drops particles to bottom of the pool, makes particles easy to vacuum to waste.
- Transforms water in 24 hours from green to blue
- All-in-one chlorinates
- Drops particles to the bottom of the pool for easy vaccuming
