It depends on what corals you have. If they need even a decent amount of
light, don't cover it. If you cover it, the glass will remove approximately
20% of the useable light. That is when they are clean and clear. As soon as
the glass becomes covered with salt spray or algae the light gets
dramatically reduced.
Shane C.
-----Original Message-----
From: Brian Brown [SMTP:[EMAIL PROTECTED]]
Sent: Thursday, February 08, 2001 7:45 AM
To: [EMAIL PROTECTED]
Subject: Glass covers
I don't recall seeing a thread similar to his question, and just
wanted to
get the lists opinion. I have a 55 gal fish/reef tank. I have a
few
corals but more fish. I have a 3 bulb 36 inch VHO lighting system.
I
evaporate about 1 gallon or so a day. I was thinking about adding
glass
lids to the top of the tank to reduce the water exposure to the air
thus
reducing the evaporation rate. I know that my temperature will
probably go
up, and I am prepared to deal with that. My question is, do you
think
that the glass with reflect too much light therby decreasing the
effectivness of the VHO system. I am not too inclined in the area
of light
physics, and would like the list's help.
Brian
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