03-01-2012, 11:50 AM
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Originally Posted by CinBos
Hmmm, so a light fixture can sit directly on top of a plexi-glass and acrylic top?
No its going to warp. Even the plexiglass top on my 5 gallon warps pretty badly. The lights he has sit on the edge of the tank rim and the center brace. If you want any decent tops they should be glass, the extra cost will be made up since they will last 7+ years. You can also remove hard water build up from glass pretty well, while its very difficult to do using any kind of plastic top. I use glass tops on all my tanks except a few small ones. One has a silly warped piece of acrylic the other has plastic wrap. I like the plastic wrap better honestly...