ITEM NAME:6 in 1 Acid Water Hardness Swimming Pool Chlorine Alkalinity PH Test Strip #gib Store Home Promotion Hot Item Add to Fav.Total alkalinity test range: 0-240ppm. The swimming pool was tested twice a week to get the best results. Type: Swimming pool SPA test strip. Total chlorine test range: 0-10 ppm. Free chlorine test range: 0-10 ppm.
