Originally Posted by Trueerfan
So they raised it .6 in one day? Not good!
First, 7.8 to 8.2 is .4 increase. I don't know what their tank is at. I thought you were asking what the correct PH is supposed to be.
Second, .6 increase would be a lot. An increase of .4 imo
would not harm anything unless there is corals and inverts in the tank. That info is not available in this thread though.