Pool Mate 1-2607B Swimming Pool Stabilizer and Conditioner, 7-PoundsPool Mate Chlorine Stabilizer and Conditioner will cut chlorine loss caused by sunlight. Customers save money when they use Pool Mate Chlorine Stabilizer and Conditioner. If you use Pool Mate Chlorine Stabilizer and Conditioner you can cut chlorine consumption by up to 25%. Pool Mate Chlorine Stabilizer and Conditioner will help sustain ongoing chlorine residual. Add this product to your pool in the spring and you will improve chlorine effectiveness all season long. This product disperses rapidly to establish a chlorine protection quickly. It stabilizes pool water and extends the life of the disinfectant. Use a reliable test kit to determine the stabilizer concentration in the pool water. Follow the guide below to bring the pool water to the desired range of 40-100 ppm. If the pool is new, just refilled, or has no stabilizer; add 4 oz. of this product per 1000 gallons to give the desired 40-100 ppm. Add this product slowly into the skimmer, or if desired, premix in a pail of warm water and then add directly to the skimmer. Be sure the filter is clean. Recirculate the water continuously for 24 hours to dissolve completely. Always maintain the chlorine residual in your pool at 2.0-4.0 ppm and pH at 7.4-7.6. For 5,000 gallon pools, to increase 10ppm add 6.3 oz., to increase 20 ppm add 12.5 oz., to increase 30 ppm add 1.2 lbs., to increase 40ppm add 1.6 lbs., to increase 50ppm add 2.0 lbs. For 10,000 gallon pools, to increase 10ppm add 12.5 oz., to increase 20 ppm add 1.6 lbs., to increase 30 ppm add 2.3 lbs., to increase 40ppm add 3.1 lbs., to increase 50ppm add 3.9 lbs.. For 20,000 gallon pools, to increase 10ppm add 1.6 lbs., to increase 20 ppm add 3.1 lbs., to increase 30 ppm add 4.7 lbs., to increase 40ppm add 6.3 lbs., to increase 50ppm add 7.8 lbs.. Contains 100% Cyanuric Acid.Pool Mate 1-2256B Swimming Pool Total Alkalinity Increaser, 10-PoundsPool Mate Total Alkalinity Control is used when pH levels fluctuate widely over a short period of time. A low total alkaline reading is also indicative of a blue or green cast to the water and difficulty in holding chlorine residuals. Low alkalinity can cause equipment and plaster damage. If the alkalinity is too low or too high, the pH of the pool water will be difficult to maintain in the proper range. This product raises the total alkalinity in swimming pool water. It boosts the effectiveness of your pool water disinfectant, as well as aids in the prevention of scale formation and the etching of pool surfaces. It helps maintain your pool’s pH level and eliminates pH “bounce”. Easy to use and dissolves quickly. Test for total alkalinity with a reliable test kit. The desired range for total alkalinity is as follows: Fiberglass Pools 70-100 ppm. Marcite, Painted, Tile, or Exposed Aggregate Pools 80-120 ppm. Vinyl Pools 120-140 ppm . If the total alkalinity is less than this desired range, add this product directly to the pool water while the pump is in operation, in accordance with the guide below. For 5,000 gallon pool, to increase by 10ppm add 11.2 oz, to increase by 20ppm add 1.4 lb, to increase by 30ppm add 2.1 lb, to increase by 40ppm add 2.8 lb, to increase by 60ppm add 4.2 lb, to increase by 80ppm add 5.6 lb, to increase by 100ppm add 7 lb. For 10,000 gallon pool, to increase by 10ppm add 1.4 lb., to increase by 20ppm add 2.8 lb, to increase by 30ppm add 4.2 lb, to increase by 40ppm add 5.6 lb, to increase by 60ppm add 8.4 lb, to increase by 80ppm add 11.2 lb, to increase by 100ppm add 14 lb. For 20,000 gallon pool, to increase by 10ppm add 2.8 lb., to increase by 20ppm add 5.6 lb, to increase by 30ppm add 8.4 lb, to increase by 40ppm add 11.2 lb, to increase by 60ppm add 16.8 lb, to increase by 80ppm add 22.4 lb, to increase by 100ppm add 28 lb.