07-15-2012, 10:17 PM #1
I am converting the hood that came with my aquarium to cfl lighting. My question is can I just have 1 bulb for my 20 gallon tank? It's 24 inches high and 16 inches deep. I want to grow low to medium light plants without co2.
07-16-2012, 08:15 PM #2
Converting from what to what?
If you're using spiral fluorescent bulbs in place of incandescent, the Sylvania, daylight, 23 watt, "Now smaller than ever" spiral bulb is great. Two on a 20h will give you low or moderate lighting depending on the depth of the substrate depth.
07-17-2012, 01:55 AM #3Originally Posted by dbosman