fixture

I have some interesting observations from my reef tank that I wanted to share. For the last few years I've had an AI prime LED on the tank, which served me well until this month. A couple weeks ago, it died in a very frustrating way by subjecting my fish to a periodic lightning effect in the...

I am looking for a dual T8 fixture for my 20g long aquarium. 6500K. Can anyone direct me to where I can buy one? I don't want to build my own. Thanks