1 Case of 12 1kg Pouches (price breakdown: $13.74/unit). PhosLocker STANDARD provides constant phosphate removal with little to no clouding in the pool from low to medium phosphate loads. It can remove up to 3,000 ppb of phosphates in a 10,000-gallon pool. Recommend Use: treat pools up to 15,000 gallons to remove 2,000 ppb of phosphates Quick Overview: Keep your pool clear and algae-free. PhosLocker Standard removes phosphates with little to no clouding and works for up to 60 days. Best For: Backyard pools up to 15,000 gallons Everyday phosphate control How to Use: Place pouch in skimmer Allow water to circulate Replace every 30–60 days Pro Specs (for service pros): Removes up to 3,000 ppb phosphates in 10,000 gallons Treats up to 15,000 gallons for 2,000 ppb