Robelle 2210B pH Increaser for Swimming Pools, 10 lb
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.
Robelle 2306B pH Lower for Swimming Pools, 6 lb
Robelle pH Lower prevents eye and skin irritation and scaling that will damage pool surfaces and pool equipment. This will prevent scaling, calcium deposits, and cloudy water conditions. This product lowers the pH and the total alkalinity of swimming pool water. The ideal pH range is 7.4 - 7.6. A pH in this range will allow your sanitizer to work effectively, reduce equipment corrosion, reduce eye irritation and reduce skin dryness. Directions for lowering pH: 1. Measure the pH of the pool water with a reliable test kit or test strip. 2. Use the table below to determine the correct amount of this product to add to your pool. How to add to pool: 1. Ensure the circulation system is on and functioning. 2. Broadcast this product evenly over the surface of the pool. 3. Water may be retested and additional product added, if needed, after 4 hours. Do not add this product into skimmer, near underwater lights, near metal ladders or near metal fixtures; Do not add water to this product, always add this product into water; Do not add more than 32 ounces of this product per 10,000 gallons pool water at one time. How to lower alkalinity: Always adjust total alkalinity first. Keep the total alkalinity between 80-120 parts per million (ppm). Test the total alkalinity with a reliable test kit or test strip. If the total alkalinity is high: Add 2 Ibs. of this product for each 10,000 gallons of pool water to lower alkalinity 10 ppm. Keep the circulation pump running. 3. Add this product in one spot at the deepest part of the pool. Repeat procedure until desired total alkalinity is reached. Always wait at least 4 hours between treatments. Dosage of This Product in Ounces for 2,500 Gallon Pool: pH 7.6 - 7.9 add 2 oz., pH 8.0 - 8.4 add 4 oz., pH Above 8.4 add 6 oz. Dosage of This Product in Ounces for 5,000 Gallon Pool: pH 7.6 - 7.9 add 4 oz., pH 8.0 - 8.4 add 8 oz., pH Above 8.4 add 12 oz. Dosage of This Product in Ounces for 10,000 Gallon Pool: pH 7.6 - 7.9 add 8 oz., pH 8.0 - 8.4 add 16 oz., pH Above 8.4 add 24 oz. Dosage of This Product in Ounces for 20,000 Gallon Pool: pH 7.6 - 7.9 add 16 oz., pH 8.0 - 8.4 add 32 oz., pH Above 8.4 add 48 oz.