works as intended. The medication is easy to take and works as intended. I have had no side effects at all. The only negative thing I could say is that the cost is high, especially for a medication I will have to take for the rest of my life.
These systems also tend to produce discolored water which eventually stain the sanitaryware. Incorrect cleaning procedures. The greatest area of bathtub abuse occurs in the cleaning process. Never use steel wool, abrasive pads or applicators on the bathtub. These will cause immediate damage to most bathtub surfaces.
Acrylic surfaces, like your hot tub shell, are susceptible to scratching and dulling if cleaned with abrasive tools or cleaners. A gentle cleaner like Spa System Flush and a soft sponge will remove hard water stains without causing damage.