How to filter algae out?

[aylad]

How high are you taking your chlorine level, and what is your CYA level? You've got to get the chlorine up high enough, and stay there for long enough, to kill the algae before you're going to be able to get it out of your pool.

Janet

[threekittens]

I just got some numbers.
CYA is approx. 70
Ph 7.8 or so
Chlorine 18-19 (I had dumped in 2 Dollar General jugs of bleach today)

I've never seen the Ph that high. I've never had to add acid. Just Borax.

I see that I do have an older jug of "dry acid" out there that I bought when I had my easy set pool for a couple of years before this above ground. Never used it. Just bought a Ph Up and Ph Down at that time thinking I'd need them.

Should I put some of the dry acid in or just wait till I get this cleaned up?

Its past swim season here (Iowa) so just needing to get it cleared up before closure which I'll probably wait to do till the end of the month when temps are consistently lower.

Of course I've also got leaves constantly falling in. Had to shut the filter off last night as I knew the skimmer would be getting plugged up with too many leaves if left unattended that long.

I can see the bottom of the pool but its really cloudy and generally green. The water looks fairly clear though when I take a sample to test.

The really bad news is I'm almost out of R-871 titration stuff.
I'll order some in the AM. Until that gets here I'm going to had to use some of the simpler (and old) kits I've got.

[aylad]

Keep in mind that high chlorine levels will give falsely high pH results, so I would not adjust your pH unless your Cl is lower than 10. That being said, with a CYA of 70, you need to bump your Cl up to 20-25 in order to kill the algae. You need to keep it there by testing and adding more to get back up to that level, 2-3 times daily if possible--the more consistent you are about keeping the Cl up, the quicker the green will clear.

Janet

[Watermom]

And, to add to what Janet said, run your pump 24/7 while you are trying to clear your water.