The UV will kill anything that is under the light. Fish will eventually be blinded not to mention the harm to you. Think about it...you can sterilize tank water with a 9W UV sterilizer, think what a 400W bulb will do to a tank. Also, just some regular old piece of glass wont do.
Are you refering to DE bulbs or blocking UV from SE bulbs, as Dana talked about?
02-16-2008, 09:55 PM
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