Robelle 2210B-02 pH Increaser for Swimming Pools, 20 lb

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About this product

Test for pH with a reliable test kit. If the pH is low (7.2 or below) add this product according to the guide below. Pre-dissolve this product in a plastic pail and slowly pour around the perimeter of the swimming pool while the circulation system is operating. Allow system to operate for 1 hour after application. Retest the pH. If pH is still low, repeat this process until the pH reaches 7.4 to 7.6. How to increase pH for 5,000 Gallon Pool: base demand 1, add 2.6 oz., base demand 2 add 5.1 oz., base demand 3 add 7.7 oz., base demand 4 add 10.3 oz., base demand 5 add 12.8 oz., base demand 6 add 15.4 oz., base demand 7 add 1.1 lb. How to increase pH for 10,000 Gallon Pool: base demand 1, add 5.1 oz., base demand 2 add 10.3 oz., base demand 3 add 15.4 oz., base demand 4 add 1.3 lb., base demand 5 add 1.5 lb., base demand 6 add 1.9 lb., base demand 7 add 2.2 lb. How to increase pH for 20,000 Gallon Pool: base demand 1, add 10.3 oz., base demand 2 add 1.3 lb., base demand 3 add 1.9 lb., base demand 4 add 2.5 lb., base demand 5 add 3.2 lb., base demand 6 add 3.9 lb., base demand 7 add 4.5 lb.