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From: BRIDGE@rcgl1.eng.ohio-state.edu (JOHN BRIDGE)
Newsgroups: alt.aquaria
Subject: Re: (M) reef Lighting
Message-ID: <3930@quanta.eng.ohio-state.edu>
Date: 16 Jan 90 15:40:30 GMT
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   The metal halide lights I have seen are more like 2 feet from the
surface of the water. That's one of their advantages in that the top
of the tank is open for cleaning, feeding, fish moving, fish flying,
etc. 4 o5 five inches would be too close for safety.    John