Yeah good idea. So lets say without the driftwood of the main tank and the addition of the holey rock the ph is something around 8.4-8.6 can that be enough to actually burn or hurt his gills? I wonder if I should try to make his ph go much lower. I can't afford a RO unit but I guess I could always throw a whole bunch of non boiled driftwood in there. The tannins should lower the ph some.
