Problem removing algae completely

[Watermom]

A TA of 120 is not high.

[nancybram]

Ok, won't worry about the TA then.
Oh, forgot to ask.... what about running the pump. Just the usual 7-8 hours a day? or longer? And backwashing? Just when it goes up 8-10 lbs?
Thanks,
Nancy

[Watermom]

Run the pump 24/7 anytime you are trying to clear water. Backwash when the pressure rises 5-10 psi over clean filter pressure.

[nancybram]

Update:
The algae is gone.
The chlorine reading stayed up overnight and has stayed up so far today (it's 3:15pm now)
Filter pressure is normal.
So I will keep testing to make sure it doesn't drop more than 1ppm from the 25ppm through today/tonight and then starting tomorrow I will let it drift down and keep it between 8-15 ALL the time.
I am also going to keep an eye on the CYA, so I can adjust the FC accordingly, per the "Best Guess" Chart. (We get frequent heavy rains, so hopefully that will naturally bring it down) What should my target reading be? Just curious.
All this testing sure will be easier when the new kit arrives!
Thanks for all your help!
Nancy

[Watermom]

Woo Hoo!! Congrats and good job. Sounds like everything is falling into place. The CYA level that most people target is 40-50. Then, after some time, if you find that you are having trouble keeping chlorine in your pool especially on hot, sunny days, you can always bump it up some. Living in Florida, you may find that necessary but I would try 40-50 first.