Quote:
Originally Posted by MikeP
Really?! I bought 2 lumenmax's (mogul base) and I needed to add a third in the middle otherwise it was too dark. How high above the tank do you have them? I'd love to see a pic if you got one.
-Sorry for the hijack gregb.
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Here's a slightly overexposed shot with my old XM10Ks in:
I placed the pendants sideways instead of front to back and have them about 11" over the surface.
As to the OP, you should pretty much be able to keep anything with that fixture with only a 20" deep tank although, as mentioned, there are much better bulbs out there.