Raise pH, lower kH

Trailermann · Jun 22, 2021

I screwed up and was "pouring" CO2 into my calcium reactor and the surrounding atmosphere. Now my pH is way low (7.4) and alkalinity is way high (14). How do I fix this?

blasterman · Jun 22, 2021

Aerate the tank with an airstone....if you have a good size skimmer it should do this anyways.

If you have sensitive SPS like acros I'm less inclined to just sit back and let dKH fall. Montis and less fickle corals can let it ride. Muriatic acid lower alk safely, but just use a little at a time.

Randy Holmes-Farley · Jun 22, 2021

I agree. Aeration will bring up the pH and then just let the alk decline on its own.

Raise pH, lower kH

Trailermann

Active Member

blasterman

Valuable Member

Randy Holmes-Farley

Reef Chemist

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