Quote:
Originally Posted by hound96
i have a 250w mh light on my 20 gallon nano and i'm changing over to a 2' 4 bulb tek i don't have a large problem with evap but the t5 have nicer color
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my roomate has a 250 over his ten gallon ...no heat issues or big evaporation problems id say less than half a gallon a day
we went 20000 k for color