as far as i know there are no 100w cfl's. there are 26w cfls that equal 100w incadecent. you can start seedlings under these(i have started 6) but they dont remain seedlings for long so then you would need 2.
twoguysupnorth Reviewed by twoguysupnorth on . First Timer With Light Questions A friend of mine is planning his first grow and I am kind of helping him, or doing what I can. He is using an E&F system for 10 plants. He doesn't have internet access and wanted a few questions answered: 1) How many 100W CFLs would be sufficient for 10 plants to veg under? 2) How long should they stay under the CFLs before switching to his 1KW HPS light so they don't burn? 3) Would putting the squirrel fan intake under the hood (but not like a cool tube, just put it under the Rating: 5