Eliminate bacteria, algae, and other organic contaminants, keeping your pool clean and clear all season long.
99% Trichloro-S-Triazinetrione and 90% available stabilized chlorine. Tablets do not expire and are non-perishable, but performance is best within 2 years of the provided manufacturing date.
Dissolve slower helping you to avoid inconsistent chlorination.
Sun-stabilized protecting it from the sun's harmful rays.