Can the pool water still be tested at high FC levels?

[pharmcoder]

Hi again!

I have been having to keep my FC level high while fighting algae and I don't want to take it down low enough to test the water chemistry because the algae returns at those levels. Is there a way to test pH, TA, CH, and CYA at high FC levels?

 

[Texas Splash]

Depends on what you mean by "high". PH results are elevated while the FC is over 10, then it drops back down. TA can have some unique reactions when the FC gets really high, but often times an additional drop of R-0007 helps. The CH and CYA shouldn't be a factor. Your TF-100 (FAS-DPD) should do fine testing the higher FC level.

 

[Poolzzz]

If you're fighting algae do a proper slam and then test the other stuff when done.

Unclear what you're doing. Are you doing a slam? You shouldn't need high FC levels normally. What cya and FC levels are we talking about?