Hi, for a 55g what stocking ratio would you suggest based on experience for the following rainbows. These are the types most easily available and my favs: 1. g. incisus (red irian) 2. boesemani I am aware that aggression especially b/w males can get nasty. So is it even possible to keep 2 or...

Hi! I have searched the site for a topic that discusses this question, but did not found anything in relations to it, so I opened this Thread to ask away: What is the ideal ratio (ranges) between all the Nutrients (macros and micros alike)? 4 exampel(this is what I use): NO3:PO4:K - 6:1:6...