EZ SPA CAL

Ensure optimal calcium hardness levels in your spa with our Spa Calcium Hardness Increaser. This fast-dissolving granular formula is specifically designed to increase the calcium hardness in spa water, promoting water balance and protecting your spa equipment. Our Spa Calcium Hardness Increaser, also known as EZ SPA® Cal, features a high-quality granular formula that dissolves quickly and evenly in your spa water. This allows for efficient distribution and effective calcium hardness adjustment, saving you time and effort in maintaining your spa. Available in a convenient 1 lb. size, our Spa Calcium Hardness Increaser provides an ample supply to maintain the desired calcium hardness level in your spa water. Whether you need to raise the calcium hardness or prevent water from becoming too soft, our granular formula delivers reliable results. As part of the EZ SPA® system, our calcium hardness increaser is a key component of a proactive water care program. EZ SPA® Cal works seamlessly wi