I have a high kH of 12dH, but I have started to use a little bit of distilled water in my tank, so that has brought it down to about 7.5dH which is good, and the pH has remained stable at 8.0.

I don't know what A.F.A.I.K means, but I have seen 29Gallon Longs, and regular 29G/30G so they do exist.

I'm not sure this is the right place to post this, but. I'm interested in getting a catfish, the one I really want is a Pictus Catfish. I will be getting at LEAST a 29G Long Tank, possibly bigger 55/75G. I only have a small tank right now for 2 male betta's a 5.5G. I have finally gotten my pH in ...