sensors

Hey everyone, I’m both new to the site and the hobby and I could really use some advice. I’m a graduate student starting a project studying tropical fishes and I’ve been running into some road blocks with my tanks. I’ve read a couple threads here with similar questions, but since I’m trying to...

I'm getting out of the hobby due to increased travel, and I'm selling all of my equipment. First up is a complete Coralvue Hydros setup. All of the control units are in excellent condition, clean and in the original box. Everything works great. I have deleted everything from my collective and...