For the past month we have had and off and on algae problem. I ordered one of Dave's TF100 Kits and the results are as follows:
FC - 9
CC - .5
PH - 7.5
TA 180
CYA 58
ag 18' round 6500 US gallons, sand filter
I used Jason's pool calculator and the results were 22oz. of muriatic acid or 12...