No Chlorine. . . If not Algae, then What?

[CarlD]

Thank you for the further explanation Evan. I learn more about this pool every summer. By the way, when I said I need to not listen to "pool guys", I was NOT talking about You!

Last night, it turns out, that my husband and I both added chlorine to the pool which resulted in shocking it to 26! This morning the pool looks basicly the same except that when I got down to get my water sample, I could see a little further down the side. My chlorine reading this morning is:
FC - 12
CC - 1
TC - 13

OK!!!!! That means you are fighting it and making progress. You should have immediately added bleach to raise the FC back to either shock level or 25, whichever is higher (because you are fighting so much). Check it 2 to 3x a day and add bleach whenever it drops below the shock level.

Keep that filter going 24/7 and vacuum to waste everyday--and brush it once a day too.