06-21-2012, 09:36 AM
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Agree. A single tube T8 over the tank, such as you would have with the normal tank hood, will be moderate light and allow the plants Boredomb mentioned. I have this over my 29g, below is a photo. We can discuss good tubes for this, if you have a fluorescent fixture. If it is incandescent, the CFL daylight bulbs (6500K) work fine.
On the Flourite, I have this in my 70g but am quite disappointed with it. If you already have it, fine, it will be no worse than fine gravel or sand substrates. But if you have substrate fish in this tank, like corys, that root in the substrate, be careful; Flourite is sharp and i had to remove the corys from my 70g due to barbel problems.