A friend of mine has just tested the water in my above ground pool using a scuba device. It is 7m x 4m x 1.32m. I have not added any chlorine for 8 days and the water is crystal clear but the results are strange as follows:
Free chlorine = off the scale
total chlorine = off the scale
ph = 7.83
alkalinity = 43
cynauric acid = high
What is wrong and what do I need to do ?
I need some help!
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