Day 40 cool... I always use to wait until they showed preflowers before, but then i wasnt using LED's lol... I think ill wing it and have no set time ill just put them in flower when i think there ready....
Do you give them any dark period before flipping???... I really like to give them 24-36hrs dark before sending them into flower... Ive done both straight to flower and dark period and imho it does help them...
For me it induces the stretch and flowering by doing it..... :
Was going to skip the dark period this time got way to much stretch out of the cheese and Kush and I want as little as poss out of these,I would love them to be like the blue Velvets I grew.