High Performance pool tablets should be used in a floating dispenser or inline tablet feeder. This product keeps your 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. Due to the inclusion of sodium tetraborate pentahydrate, the tablet will seem to dissolve rapidly. However, this effect is due to the borates, which create a honeycomb-like appearance while the tablet remains actively effective. 200g Tablets: 2kg x 10 tabs.