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willknowitall · 10-13-2012, 04:51 AM

yup not good for small tanks
you need at least 18 inch from front to back. 24 inch or wider is ideal or your just thoughing to much light on the glass

also if you live in a hot climate they give off too much heat

10-13-2012, 04:51 AM	#3
willknowitall Planted Tank Obsessed (View User Tanks) PTrader: (2/100%) Join Date: Oct 2010 Location: canada Posts: 496	yup not good for small tanks you need at least 18 inch from front to back. 24 inch or wider is ideal or your just thoughing to much light on the glass also if you live in a hot climate they give off too much heat