PoolWell Pool & SPA Algaecides Chlorine Tablets 3-Inch, Small Chlorine Dioxide Tabs/Granules for Swimming Pools Algaecides, Hot Tubs, Slow Dissolving/Sun Protected - 4.5 Lbs
BEST POOL ALGAECIDES - 99% Trichloro-S-Triazinetrione with 90% Chlorine, sanitizes and silky smooth your pool water, make you fully enjoy swimming in clean and clear water in all season long.
LONG LASTING - Effectively kills bacteria and algae.
Sun-light protected to longer chlorine life.
KNOB COVER DESIGN - Knob cover packing, safe and better sealing, easy carrying and storage.
EASY USE - Size perfect for floaters or any automatic chlorine feeder, 1 tablet treats 10000 gallons of water for up to a week.
PACKAGE INCLUDES - One 4.5-Lb container of 3-inch Super Chlorinating Tablets for swimming pools.