Keeps your pool water clean, make you fully enjoy swimming in clean water in all season long.

Sun-light protected to longer life,Slowing-dissolving long-lasting, lasts up to 1 week and more.

Size perfect for floaters or any automatic feeder with 3-inch or bigger.

One treats 10,000 gallons of water for up to a week.

Keeps your pool water clean, make you fully enjoy swimming in clean water in all season long.