Hello all. Here is my latest project. It took me a couple days to plan it and get everything worked out and maybe an hour to construct. First the back story: My tank sits right in front of a north facing window. I have a mangrove poking through the blinds¹ and it has shown incredible growth. I wanted to use mostly things I had laying around and things I could acquire easily, and this is what I came up with: The refugium is built out a acrylic transport box thing like all the fish stores use. I drilled it using the hole saw and bulkhead from a glass-holes kit I had for my old 10 gal. Drain is a short piece of clear vinyl tubing I got from the hardware store I work at. As you can see it is well over sized. Pump is a tom's aqua lifter supplying 3gph. The refugium holds one quart so thats 12x turn over per hour. Not sure whether thats good or bad, I guess we will see in time. ;D Next mod is a new canopy. ¹ I say blinds but for the time being I just have a blanket pinned up to cover the window.