High Performance slow dissolving pool tablets for use in a floating dispenser, inline tablet feeder or added directly to skimmer box for a fast chlorine boost. Keeps water safe from viruses and bacteria. In-built UV protection for longer life in outdoor pools. Ideal for once a week dosing or as a chlorine boost for salt pools. Used to control algae and bacteria while increasing the longevity of chlorine. Can be used in conjunction with algaecide for long lasting protection with minimal effort through winter and is also suitable for use as part of a regular maintenance program. 200g Tablets: 2kg x 10 tabs.