ok, got the green water blue again. but has been cloudy. here are my readings as of last night (8 pm)
1.5 - tc
1 - fc
.5 - cc
cya - 9
put some S.O.S in after test. and 1.5 gal. clorox @ 4 am. still cloudy.
filter is new, about 3 days old along with new sand.
10,000 gal. above grnd.