barbuto
01-29-2009, 1:05 PM
I currently have two 13 watt fluorescent CFLs in my hood. Does that mean i have 26 watts or only 13 all together?
Blown 346
01-29-2009, 1:09 PM
You have 26 all together with the bulbs. Then you have to divide 26 by your tank size to get how many watts per gallon you have for the tank.
jpappy789
01-29-2009, 6:53 PM
Don't worry too much about wpg though...