IQ PH UP Soda Ash 25kg BagIncreases the pH of Swimming Pool water rapidly Soda Ash, Sodium Carbonate (Granules Powder) Ideal pH should be between 7. 2 7. 8. Application: per 10,000 litres: pH Less than 6. 8 add 100 g pH 6. 8 7. 0 add 80 g pH 7. 0 7. 2 add 40 g Application rates indicated are only a guide Pour directly into water prior to use or mix in a bucket of water as per the label instructions. Allow pump to run 3 hours prior to re testing