Thanks for chiming in Doug. any and all discussion is welcome and of interest here of course. What my ulterior motive is though is seeking out the market for relatively inexpensive professionally built units. Reef equipment as a rule seems to be mroe expensive than necessary, so if I can be the guy to make the stuff, I can probably make it at a reasonable cost, particularly if I make a lot of them.
I was looking at HD today, at small fluorescent light fixtures, and a ~2000 lumen unit that's about 18x10x6" could be built for about $100 in materials (sans pump). This would be enough to effectively filter a 200gallon reef tank almost by itself. Miniaturizing to the nano folks would be hard, but it's a challenge I want to try if someone wants to give me a list of their requirements.
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