Distance bet. bulbs & water surface? - The Planted Tank Forum
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post #1 of 3 (permalink) Old 12-12-2003, 10:46 AM Thread Starter
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Join Date: Aug 2003
Location: Sydney, Australia
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I am about to install 5 or 6 x 55w (still undecided how many watts required) PC bulbs with AH Supply reflectors over my 120g tank (4x2x2).

What height should I install the bulbs above the water surface? BTW I have an open top tank.

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post #2 of 3 (permalink) Old 12-12-2003, 01:42 PM
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Mine are about 4" from the surface.

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plantedtanker in limbo - all tanks currently in storage
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post #3 of 3 (permalink) Old 12-13-2003, 12:13 AM
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You really should have a glass barrier between the water and the bulbs. those kits aren't designed to be operated over an open surface, as the humidity can cause problems.

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