This non-chlorine shock can be used to shock dose pools that use all types of chlorine as a sanitiser without boosting chlorine levels. It may also be used for reactivating spent Bromine in Bromine treated pools. It dissolves rapidly to break down unpleasant pollutants and organic matter, and is effective over a wide range of water conditions and pH values. It is an ideal shock treatment for pools using automatic pool covers. Application Instructions: 1. Maintain pH levels within the ideal range 7.2 - 7.6. If the level is not in this range, adjust. 2. Maintain free chlorine levels in the range pools: 1 - 3mg/l(ppm); spas 3 - 5mg/l(ppm). 3. Pre-dissolve this product in a clean plastic container at a maximum rate of 100g of product to 2.2 gallons (10 litres) of water. Stir well to ensure product is fully dissolved. Add the resulting solution to the pool or spa whilst the pump(s) are turned ‘on’ preferably near the water inlets to aid distribution. 4. After shock treatment procedure, allow at least 30 minutes before bathing recommences. Non-Chlorine Shock Granules Dosing Rates Water Volumes Litres | Gallons | Shock Dose 1,000 | 220 | 11g 2,000 | 440 | 22g 4,545 | 1,000 | 50g 22,700 | 5,000 | 250g 45,450 | 10,000 | 500g Features: Non chlorine Product Description: This listing is for a 400 grams of Non-Chlorine Shock Granules in a handy resealable... PoolSan Regenerator Non-Chlorine Shock Active oxygen Granules comes in a handy resealable 400 grams sachet. Earn 231 loyalty points with this purchase (2000 points are worth an £11.00 off voucher). Excellent water clarifier - Use regularly to clear cloudy or dull water and add sparkle. Ideal for use with PoolSan cs, chlorine, bromine or other non-chlorine treatments. Leaves water sparkling clear and odour free. Safe to swim 15 minutes after dosing. Dissolves fast. Active oxygen based (contains no chlorine). Eliminates chloramines and other undesirable chlorine and bromine by-products. Effective with all forms of chlorine and bromine. Oxidises bather wastes like sweat, body oils and ammonia that are too small to be trapped by your filter without creating any harmful by-products. Made with best quality German manufactured potassium monopersulphate. Ensure your water readings are all within the normal ranges prior to use. Feel free to contact us by messaging the seller if you need any advice.