I took a water sample to my local pool store, because no chlorine reading and green algae. The test results were as follow: Free Cholorine: 0.1ppm, Total Chlorine: 7.2ppm, Combined Chlorine: 7.1ppm, pH OVR 8.2, Hardness: 140ppm, Alkalinity 166ppm, Cyanuric Acid 15ppm, Copper 0, Iron 0.
I was...