biofiltration

Here’s a project I’ve been working on, a moving bed bioreactor. It uses kaldnes biomedia that has a surface area of 274ft2/ft3. It’s similar to bioballs in that it’s made of HDPE plastic, but unlike bioballs, there is no heavy flak that builds up to cause excess nitrates. While the concept has...

So I got a sack-o-mollies from a good buddy last night and I'm planning on transitioning them to full salt. I know this can be done in a few hours, but that the long term survival of the quick acclimated fish isn't very good, so I'm planning on taking a week or two. I'll be doing small...