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but will the one u speak of do as much as 100w sodium then? if so why doesnt everyone just convert to these?

after some posting here it seems i should invest into cfl lamps since i cannot use more than 100w because of living in student accomodation and this would be more worth it than 100w sodium. but i dont really understand howmuch electricity these use compared to sodium. if i am limited to, say...

well basically i was gonna be limited to 100w sodium lamp, but with this, if i get one of the same power will it have a better effect then? the thing is i cant go over that power usage because of where i live, so is the cfl still recomended?

whats ona?

but how do cfl's work? is it the same concept with power and everything just simply a stronger kind of light? if this is so howcome people dont only use these in stead of sodium? tnx

but how do cfl's work? is it the same concept with power and everything just simply a stronger kind of light? if this is so howcome people dont only use these in stead of sodium? tnx

here is a link to a lamp im interested in on ebay. those who have read my other posts know i cant get anything more powerful because of living on a student campus./ the auction is over but i offered 20£ (39$) for it? how is the lamp anyway will it be good enough? eBay.co.uk: 100W SODIUM...

hmm yeah half an ounce each is very little. thing is im in student accomodation so i dont think id get away with a lamp that pumps any more electricity than that. no other alternative for more lumens i take it?

hi. i was wondering what was a suitable number of plants to use with a 100w sodium lamp? I dont have too much space, maybe two?? also i was wondering what is an average yield with this power lamp? the growing conditions are pretty good. cool..

ok thanks for the advice guys. i guess ill go for the 100w then :) ill keep my progress posted since everyone seems pretty helpful here...

hi. this is my first time growing but im posting here since my question is quite specific. i have a small student bedroom which has its own en-suite bathroom., which would be perfect since it is warm, bright and there is an extractor already in place. i would probably want to use a 100w lamp...