I just flip to flower 4 LUI from Dutch Passion after 30 days veg,they are scroged in 11" *3" canopee under 4 600w. I use a moded DIY Under Current /room is sealed/Co2 around 1100ppm/water temp 67/69 deg./canopee 83 deg./Vpd .8~1/ppm at 740 ph 5.3~6.0/nute are Flora nova( veg,bloom) some protek , cal-mag ,PK 13/14.this the first time i grow Lui so any advise or comment is WELCOME. Day 4 of 12/12