Okay, so I had this item in a box of mixed used fish stuff. I suspect it's a reactor of some kind. What sort of reactor might it be, and how do I make it work? I honestly know nothing about them XD will it require its own pump?
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.

Even a mj1200 may workThey are really cheap. You don't want a lot of flow going through it. It's all about surface contact time with reactors.

