Ultra-Concentrated 99% Trichloro Formula: Packed with 990g/kg of active Trichloroisocyanuric Acid to provide heavy-duty, maximum-strength sterilization against bacteria and micro-pathogens.

Continuous Controlled-Release Protection: The compressed tablet design dissolves slowly and evenly, ensuring a constant, reliable baseline of sanitizer defense even during periods of heavy use or high temperatures.

Aggressive Algae & Biofilm Control: Actively prevents the formation of slippery algae on spa walls and stops bacteria from colonizing inside hidden internal pipework and jet lines.

Convenient, Guesswork-Free Dosing: Eliminates the mess, skin irritation, and inaccuracy of measuring loose powders; simply place the required tablets into your spa’s floating dispenser or skimmer.

Trusted Zodiac Pool & Spa Lab Engineering: Developed by an industry-leading brand to deliver maximum sanitation performance while helping you maintain a sparkling, showroom-quality water clarity.