Champion Multifunctional Tablets are slow dissolving and suitable for use in both private pools and small hotel or school pools. This is a 3-in-1 product: it acts as a disinfectant, algaecide and flocculant. Chemical Name: Trichloro 1,3,5 Triazinetrion Champion Multifunctional Chlorine 200g Tablets Application: Champion Large Chlorine Tablets are slow dissolving and suitable for use in both private pools and small school or hotel pools. Champion Multifunctional Chlorine 200g Tablets Dose Rates: Add 1 Champion Large Chlorine Tablet (200gm) to 45 cubic metres of pool water when used in the skimmer basket. The dose rate is offered as a general guide for private pools. Heavily used pools or those maintained at higher temperatures may require increased dosage. Test for actual requirements by using a poolside test kit adjusting the dose rate as necessary to maintain a chlorine level of 1-3 ppm or mg/litre.