GLB Pool Closing Kit - Treats up to 12,000-Gallon

Protect your pool from winter damage with GLB Pool & Spa Products 71502 12,000-Gallon Winter Algaecide Kit. The all-in-one system contains Oxy-Brite non-chlorine shock oxidizer, Algimycin Winter for season-long algae control, and Sequa-Sol to prevent stains and scale. Simple and easy to use, just follow the 3-step process for cleaner water and optimal protection up to 12,000 gallons.