Protect your pool or spa with Aqua Joe’s Pool and Spa Calcium Hardness Increaser, a professional-grade solution made with 100% calcium chloride pellets. This specialized formula is designed to raise calcium hardness levels in pool and spa water, which is essential for maintaining proper water balance and preventing costly damage. Without adequate calcium hardness, water can become corrosive, leading to deterioration of pool surfaces, plumbing, heating systems, and other equipment. By increasing the calcium content, this product helps prevent staining, etching, and cloudy water, ensuring your pool remains in optimal condition throughout the season. Aqua Joe's fast-dissolving formula is easy to apply and begins working quickly to restore balance, making it a convenient choice for both pool owners and professional maintenance crews. It is compatible with all pool types, including plaster, vinyl, and fiberglass, and works effectively in both saltwater and traditional chlorine systems. This makes it a versatile addition to any pool care routine. By maintaining calcium hardness within the recommended 200–400 ppm range, you not only protect your investment but also enhance water clarity and create a more comfortable swimming experience. Regular use of Aqua Joe’s Calcium Hardness Increaser helps extend the life of your pool or spa, reducing the need for repairs and keeping your water chemistry stable. Whether you're opening for the season or performing routine maintenance, this 50-pound supply provides long-lasting support for healthy, balanced water. Trust Aqua Joe to deliver reliable, high-quality pool care that keeps your water sparkling, safe, and refreshing.