Best Calcium Swimming Pool Balancers of 2025

The Clorox Pool&Spa Calcium Hardness Increaser is a must-have for swimming pool owners who want to maintain the quality of their pool water. With this product, you can increase the low Total Hardness levels in your pool, which prevents corrosion, etching, staining, and pool surface damage. It is specially designed for plaster pools and soft water areas. Moreover, for best results, you can use it with the Clorox Pool app. The product is easy to use and comes with a manual that guides you through the process.

Pool Mate 1-2825 Calcium Increaser for Swimming Pools is a granular product that increases water hardness and prevents staining or etching of the pool's surface. It is ideal for calcium hardness levels between 200 and 400ppm. Customers have found it to be a good value for the dollar, with some cautioning to be careful when handling as it comes in a thin plastic bag. Reviews have been positive, with customers noting that it works as expected and is a great price.

Pool Mate Calcium Increaser is a 25-pound bag of swimming pool balancer that increases water hardness. Low calcium hardness levels can cause water issues, but with Pool Mate Calcium Increaser, you can prevent the staining and etching of your pool's surface. This product is an ideal solution for maintaining the proper calcium hardness range of 200 - 400ppm. By using this product, you can ensure that your pool water is balanced and safe to swim in.

HTH Calcium Hardness Up Balancer for Swimming Pools is a granular product that ensures your pool has balanced calcium hardness, reducing the corrosiveness of water with low calcium, avoiding damage to pool surfaces and equipment. It is easy to apply following instructions and compatible with vinyl-lined pools and saltwater systems. HTH Calcium Hardness Up Balancer is suitable for DIY pool care to provide healthy water for all season long.

The In The Swim Calcium Increaser is designed to quickly elevate the calcium levels in your swimming pool, helping to avoid issues like erosion and pitting on surfaces. This product ensures that your pool maintains proper calcium hardness, which is essential for better water quality. By keeping the calcium levels within the recommended range, you can prevent problems that may arise from low calcium. Additionally, it’s important to monitor calcium levels to avoid excessive scaling that could damage your pool equipment, making this increaser a convenient solution for pool maintenance.

The HTH Calcium Hardness Booster is designed to enhance the calcium levels in your swimming pool water. By doing so, it helps protect your pool surfaces and equipment from potential damage. This product is compatible with all types of swimming pools, making it a versatile choice for pool owners. Additionally, it prevents the pool water from becoming corrosive, which can lead to costly repairs over time. Using this booster regularly ensures that your pool liners and metal or plastic surfaces remain in good condition.

Robelle 2825B Pool Calcium Increaser is a dry granular product that increases the total hardness in pool water to the recommended range of 200-400 ppm. It prevents the staining or etching of your pool's surface and corrosion of pool equipment. The product is suitable for vinyl, tile, exposed aggregate, marcite, fiberglass or painted pools. The instruction is easy to follow, and it comes in a 25-pound bag.

The Robelle Calcium Hardness Booster is designed to enhance your pool's water quality effectively. It utilizes calcium chloride to quickly raise the overall hardness of your pool water. This is crucial for preventing damage such as corrosion or etching, which can harm your pool's surfaces. Keeping the calcium hardness within the ideal range of 200 to 400 ppm ensures a safer swimming environment. Each 8 ounces of the product can elevate the calcium hardness by 10 ppm for every 5,000 gallons of water, helping you maintain optimal water conditions effortlessly.

SpaChoice Calcium Booster is a 1-quart chemical used to increase calcium hardness in spas and hot tubs. In areas with low levels of hardness, the low hardness will etch plaster and corrode spa equipment. The ideal hardness level is 200-400 ppm (parts per million). By increasing calcium hardness, the SpaChoice Calcium Booster can prevent the damage caused by low hardness, extend the lifespan of your spa and hot tub, and save you money on repairs and replacements. The downloadable user guide is available under product information for technical specifications.

The SpaChoice Calcium Increaser is designed to elevate the calcium hardness levels in your pool, ensuring a balanced and enjoyable swimming experience. By effectively raising total hardness, it helps to protect your pool from corrosion and etching, prolonging the life of your pool surfaces. Maintaining calcium hardness within the ideal range of 200-400 ppm is crucial, as low levels can lead to various water issues. With just 8 ounces, you can increase the hardness by 10 ppm for every 5,000 gallons of water, making it a simple and efficient solution for maintaining your pool's health.