I have bin planing on putting Discus and rays together. i have had my rays with geos. befor and no problems. so i hape the Discus will b fine to. i will start off with throwing a couple in the tank every week to see how the rays r at first. NOW HERE IS THE QUESTION>>>the ph for the rays is like 7.5-8 and the ph for the Discus is 6.0-6.5. witch fish should i change the ph for in the tank first befor i put them together????
