Natural Chemistry Phosphate Test is the easiest way to test the phosphate levels in your pool. This test measures phosphate levels from 0 to 2500 ppb. in a matter of seconds. Don't guess your phosphate level, test today.
WARNING: The following product(s) can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov