I took the glass off mine the last time this thread ran. The tank runs a
little cooler now and i would say its a little brighter. Salt spray has not
been a problem. I have a 5 ga container in the stand dripping fresh water/kalk
into the sump to compensate for evaporation. I am thinking about adding a
float valve instead of the drip cause it always clogs.
Gary
On Thu Feb 8 10:00:26 2001, [EMAIL PROTECTED] wrote:
> 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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