No worries, thanks for the tips. At the moment, I am much more comfortable with the equipment side of the equation than I am with stewarding the amazing life forms all this stuff is designed to support. We'll see what happens next month. I can see from not only your tank but also your other projects that you're a true green (and maybe occasionally brown?) thumb.
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If you had to identify, in one word, the reason why the human race has not achieved, and never will achieve, its full potential, that word would be "meetings." —Dave Barry