Quote Originally Posted by firstfist
The first # is the actuall wattage, and the second number is what a regular lightbulb equivalent would be to the cfl.

So that first one (30w > 150w) means the cfl uses 30w, but its light output is roughly the same as a 150w "normal" bulb.

Hope that helps.
so the bulb in the link i added is a 125w 6700k blue spectrum which will be ok to veg if i then used a 175w or 200w 2700k red spectrum bulb to flower would i get a nice crop? like decent strength buds? cheers for the input lad
irishbud Reviewed by irishbud on . cfl wattage guys iv been looking on ebay at cfl's and im kinda confused. allot of them seem to say 30w > 150w...or 30w same as 150w....how do you judge which one is which? i added a link to show what i mean i know its a stupid question but i cant get my head around it. wap.ebay.co.uk/Pages/ViewItem.aspx?aid=190469967508&emvAD=240x259&sv=150w%20cfl%20bulb&emvcc=0 Rating: 5