Thanks Jools!!! That's what I have been running into! So it looks like if I want to keep a bottom dweller in there it will have to be a Cory that can take the harder water like the Swords like! I use straight tap water, but in our area it comes out of the tap like liquid rock! Ph is usually 7.8-8.2,...

Hey PlanetCatfish! Drew here, and it is my first post on your GREAT SITE, and I found the site while searching for a small catfish to go in a 40B I am wanting to set up as a Central American River Biotope that will be centered around a group of Alvarezi Swordtails I already have! The group consists ...