I'm about to put 110w (increase from 30w)on a 60ltr, or 20usgal ,tank. I've just bought the interpet twin T5 compact starter and two 55w lamps.
It is moderately planted. I have FE CO2 and dose EI.
I know this sounds rediculously high and works out to 5.5 wpg (with T5s!), but according to...