The Robelle Calcium Increaser for Swimming Pools will rapidly increase the total hardness of your water, preventing corrosion, etching, and the formation of metallic stains. To elevate calcium by 50 ppm, only 6.25 lbs. of balancer is required per 10,000 gallons of water. Multiple quantity options are available to match the needs of your pool.
About Robelle Industries
Since 1973 Robelle Industries has been providing superior, dependable, and affordable swimming pool products. They have painstakingly built a line of quality swimming pool products that include pool chemicals, pool accessories, and everything in between. Robelle is dedicated to finding new product formulations that meet superior standards of pool chemical efficacy and product durability so your pool is safe, crystal clear, and healthy.