Posted: Thu Dec 10, 2009 12:09 am Post subject: Re: PL
It also depends on various other issues. like how tall your tank is and the type of corals you have. Also if you place a light too close to the water will you be able to service the tank without any problem. My tank is 33 inches deep and my MH hangs at 6 inches from the water. One day a PH got loose and sprayed the water into my light and I had to deal with a shattered bulb. If your light is powerful and you are getting a good PAR reading at the bottom of the tank then its stick with it.
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