this problem popped up last week. it started w/ the 1st set of big fan leaves doing this, then falling off. it then moved up to the next set of fan leaves. now its getting up to the 3rd set but their not quite in the shape that the ones are in the pics. shes in ff happy frog soil mixed w/ perlite, just put into flower a week ago 2day (just showed pistils today by the way , ff grow big in veg, using gh flora-bloom & a lil beastie blooms since starting flower. i water every 3rd day....maybe 4th depending how dry they get. im growing in a growlab80 (400w) i water w/ 6.5-7.0 ph w/ gen hydro liquid ph test kit. anything else you need to know please let me know.