Swimming Pool Chemical Multi-Pool Tabs (Trichloroisocyanuric Acid, Algicide & Clarifier) Multi-Pool Tabs are Multi-functional swimming pool sanitising tablets that contain three active ingredients, chlorine, algaecide and clarifier.

These slow release 90% available chlorine tablets should only be used in conjunction with an "In Line" tablet erosion feeders or floating dispensers, as use in a skimmer basket may produce bleaching where liners are fitted in pools. The tablets will last from 3 to 7 days depending on the method used, but this method will provide a semi-automatic process of chlorination.

These tablets are acidic in solution and therefore will affect the pH value.