Lighting help please - Canreef Aquatics Bulletin Board

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Lighting help please

#25

06-01-2003, 04:37 AM

mr_alberta mr_alberta is offline

Member

Join Date: Apr 2003

Location: Edmonton, AB (University Area)

Posts: 2,506

I forgot to ask...

With MH bulbs, do you need to put a piece of glass or something to block the UV rays? I thought I heard something like that somewhere...

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