Question after initial test received FC: 0.5 CC: 1.5 TC:2 PH 7.5 TA:90 CYA :40 25,000 gal plaster pool water crystal clear.
slam with 3 gal 12.5% liquid chlorine
brushed waited 2.5 hrs
test: after 7 drops turned clear but after 30 sec turn light pink after each drop clear then light pink at 14 drops was staying clear. what # would you use?
CC; test after 2 drops turned clear but 30 sec was light(very light pink) after each addition same as above after 3-4 drops stayed clear what # would you use?
Added two gal
will brush and retest in 2 hrs