Last night, I converted an old Florescent Perfecto 10 Gallon Tank Cover to (2) 60 Watt (13-Watt Actual Consumed Wattage Each) CFL bulbs. These have a reduced footprint compared to the normal sized CFLs, Micro Minis, and they fit perfectly in the space where the florescent bulb went, but there is very little room to spare.

Jun 04, 2019 · The best CFL bulbs to grow cannabis are the 42 W bulb because this is the most efficient therefore will be able to grow the largest plants. 42 W CFL buds give off 2700 lumens, therefore, you just need two of these to maximize light and to get the best yield per bud. Cannabis plants require anywhere from 5000 to 10000 lumens per square feet of ... Apr 13, 2014 · So, to go by the minimum 50 watts per square foot rule, he will assume 6.25 square feet per plant. He’ll also grow two plants under each reflector to save power. Johnny will need a total of 312.5 watts for each hood–a total of 625 watts of lighting in his grow hood.