Blue Horizons pH Minus granules enables you to reduce your pools pH to the ideal pool pH level, which is between 7.2 - 7.6, promoting bather comfort, optimum chemical efficiency and protection of pool plant equipment. Test the pH of your pool water if it is above 7.6, use pH minus to reduce it. Blue Horizons pH Minus Granules Application Instructions: 1. Pre-dissolve the product in a clean plastic container at a maximum rate of 100g of product per 2.2 gallons (10ls) of clean warm water. Stir well to ensure product is fully dissolved. Carefully add the resulting solution to the pool whilst the pump(s) are turned 'on', preferably near to the water inlets to aid distribution. 2. After a minimum of 8 hours, recheck the pH level and if necessary repeat the treatment until the ideal pH is established. Please note a number of treatments may be required. | || --- || Blue Horizons pH Minus Granules Dosing Rates || Water Volumes | To Lower pH Levels || Litres | Gallons | Dose Rate || 4,5