Recent content by jjrapy

Unfortunately yes, but this guy bought pure copper sulfate :hammer: Theoretically the algaecide that most stores sell over here are copper free

Oh I see now. Also my mom confirmed today that the guy who take care of the pool use some copper sulfate but she doesn’t know how much o_O maybe that’s why the green stains now. Replacing the water will also help with copper?

The FC went from 9 at night to 7,5 in the morning. ph still at 8 but I’m noticing some green stains and also some bubbles after the filter run. Yes, it was half tap half pool. A 4th test and got 100 again according to picture attached.

Hey @Mdragger88 ! I just performed the CYA 3 times today: 1. it gave me above 100 2. I performed according to the recommendations of filling with tap water and then x 2 = 160 3. I performed again just normal with 7,5 ml of pool water and got 100 I don’t know which one to trust but is near or...

Another thing to check out.. Thanks a lot