Quick specs: 18k gallon SWG pool. My water seems to have a green/aqua tint to it that I can't cure. Upon opening my pool this year, I did my usual routine:
1. install filters used only for first few days of opening
2. keep CF at 14 until overnight test shows no drop in FC
3. replace opening filters with "rest of the season" filters once chemistry is correct. same model filters.
I recently ran at FC 14 for five straight days and there was no change in the color of the water. The deep end is noticeably more aqua than the shallow end. My current readings are:
CYA: 30 (in the process of getting this back up to recommended levels)
Salt: 3300 PPM
Temp: I had it at 80 after the warm weather, but then it dropped to 64 as I was up at FC 14 for the last five days. D'oh!
Here is a picture of the water, taken this morning. The photo may not accurately portray what I am seeing (iPhone photo)... but I assure you the water doesn't look 100% normal:
Any suggestions on what I should try? Thanks!