PH Minus 7lbs. YGroup_Intrepid Chlorine Stabilizer is a required

Chlorine Stabilizer is a required treatment for any pool exposed to sunlight

and sometimes more

These filters meet or exceed the original Pentair filters that came with your filter and are made from Reemay spun-bound polyester pleated filter media that features anti-microbial technology which prevents microbes such as mold

a weekly "shock" program is recommended

it is time to replace the black mineral chamber

PH Minus 7lbs. YGroup_Intrepid Chlorine Stabilizer is a requiredpH Minus helps reduce the amount of pH and Total Alkalinity in a swimming pool or spa. pH Minus will slowly lower the pH level of your pool if it gets too high. Keeping your pool's pH level balanced is not only important for swimmer comfort, it also helps keep your equipment and pool finish in good condition. In addition, many algaecides require the pH to be balanced in order to work properly.