How To Test Calcium In A Pool
Items needed to test calcium in a pool:
Test pH and adjust to 6.6 - 7.0 before performing any other tests.
1) Take a sample of pool water from about 18" below the surface and away from return jets and skimmers.
2) Dip one paper calcium test strip into the water and swish it for 3 seconds, then remove.
3) Immediately match to the closest color on the color chart
4) Read results as ppm and record.
Tip: Store test kits in a cool dry place to preserve them. Do not store in sunlight, heat or extreme cold. It is recommended to replace test kits every year to ensure accuracy.