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I am sorry I did use the FC tester. That was the ph and chlorine test. My new readings are as follows: ph 7.2 cya 40 ta 80 FC 5.5 CC 0 Is this good or should I be worried if my ph is a little low? the CYA was added two days ago and stayed the same yesterday and today. PH also stayed at 7.2...

I didn't see this in time Monday. Looking good now. Did add the CYA.

We have drained it the last two or three years because it has been a mess. That's why I am finished with the pool place. I did add the liquid chlorine and borax. Looking beautiful. I added the CYA Tuesday and everything looks good for the moment. My cya is now a 40. ph went from 7.6 to...

Yes they are TF100 results. It was not cloudy at all. I did it twice but it was not room temp. I had taken it out of cold pool. I will get CYA tomorrow. I don't have that. I am assuming pool store. Is my pool sweeper ok to put in water as well while cya is in there and heavy bleach...

Hi Maddie FC .05 more like 0 CC 0 ph 6.8 TA 80 CH 300 CYA 20 can still see dot

I guess I don't get the pool math. It will not let me do it on a laptop. I will keep trying. So no borax?

I am trying to do the pool math and I can't do it on a laptop. I need to know where to begin first. Pool is 25000 gallons inground plaster Got my tf-100 test kit today PH 6.8 TA 80 Chlorine 0 FC 0.5 Calcium 300 CYA 20 I can still see the dot.

Last year I did the shocking brushing and used the black algae product the pool co sold me. I am trying to attach pics. I use chlorine powder from pool place but ready to switch this year to bleach

I am in Strasburg Ohio. I just took cover off. Haven't tested or started anything up yet. Ordered a new test kit per advice of this site, tf test kit. I am not sure if it is black algae. A ton on skimmer bottom but the rest of the pool looks like residue.

Opened up pool and I have black algae again. We had it last year and it's there again. Should I drain and powerwash it? We haven't done anything except take cover off.

I have always read your site but never joined. This year I am going to try to do this myself. Spent way too much last year!