Chemical free pH hack

[Randy Holmes-Farley Verified Community Expert]

I have a 300 gallon reef tank with 7.8 pH and desperately trying to raise it. Added CO2bscrubber, which didn’t do much, added kalkstirrer which upped it a tad. Any help here would be much appreciated. Doesn’t the air stones give rise to micro bubbles in your tank?

There's no need to be desperate at pH 7.8. Many wonderful reef aquaria are at that level.

But if you want to raise it, there are several good options:

http://www.reefedition.com/ph-and-the-reef-aquarium/