The only reason to trim fan leaves in SCROG is the really low ones that get no light anyway to improve air flow around the stems and let you access your hydro system better if that's what you're using.

The buds themselves will grow as long as the plant is getting enough juice from the sun to grow them.
stinkyattic Reviewed by stinkyattic on . To Trim the Bush or not? A DWC ScrOG Ok so obviously the fan leaves are blocking out the bud sites. It looks like a god awful mess, but i read than fan leaves are the 'factories' of the plant. The screen is roughly 2.5sqft. Lots of budsites, lots of fan leaves. To trim or not to trim? Rating: 5