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bosmahe1 · 06-24-2009, 01:05 PM

I use a 46 gallon bowfront with a Current Nova Extreme 4x39 watt T5HO lamp. I mounted the lights on the legs and took the glass lid off. The condensation does indeed block a lot of light. I did notice improved plant growth with the lid removed. The disadvantage is without the lid, there is increased evaporation and heat loss in the winter. The evaporation does remind me to do my weekly water changes which is a good thing but, I can imagine my electric bill suffers a bit in the winter.

06-24-2009, 01:05 PM	#3 (permalink)
bosmahe1 Senior Member Join Date: May 2005 Location: Leesburg Virginia Posts: 239 iTrader Ratings: 2 iTrader Positive Rating: 100% Plant Points: 16400	Re: T5 HO Light Postitioning I use a 46 gallon bowfront with a Current Nova Extreme 4x39 watt T5HO lamp. I mounted the lights on the legs and took the glass lid off. The condensation does indeed block a lot of light. I did notice improved plant growth with the lid removed. The disadvantage is without the lid, there is increased evaporation and heat loss in the winter. The evaporation does remind me to do my weekly water changes which is a good thing but, I can imagine my electric bill suffers a bit in the winter.