No, it's more lumens. You CAN add them up if you like, you can't just say "oh I have 2 bulbs that output 1000 intitial lumens each, so that means I have 2000 lumens". Nobody really knows what you have in that example, but it's less than 2000 lumens.

wbd-ok, so if u get 8 42w cfls @900 lumes u dont have a total of 7200 lumes...u just have 8 bulbs each giving off 900 lumes...do i have it right??

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i went the other route...... expensive cfl's bout 170$ all said and done but wow look @ the results 17 days from seed!

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Live ur life get high let the bullshit pass u by

when i die plant me in the closet under a sea of green and remember me with puffs of weed

nice plants bagmouth

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If you read this, you have to smoke a joint

your right mate

8x 42watt cfls is 336watts
@900lms each, = 7200lms

thats just maths nothing to do with growing, i have no idea why that guy thinks you will lose any lumens.

but they are spead over a larger area

although you should be getting a lot more lumens than that. i have some 20watt cfls and they give out 1200 lumens each. you sure they use 42watts? to get 900lumes they should only be using around 15watts