I tested it 3 times now, the last one 12 hours after 2nd test. Before I added the Chlorine the Combined Chlorine reading was zero. The water still looks crystal clear. Surely if the CC was really that high the water would be cloudy?
Re: High reading for CC after shock treatment
I tested it 3 times now, the last one 12 hours after 2nd test. Before I added the Chlorine the Combined Chlorine reading was zero. The water still looks crystal clear. Surely if the CC was really that high the water would be cloudy?
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