How'm I doing guy's?

Hello everybody,
This is my first grow in over 20 years and would like some informed input.
Using 400w SHPS on 20 hours, ebb and flow setup with flooding for 15 min every 3 hours (except lights out), GH FlouraDuo nutes and Hydroton. The girls had a rough start, first few weeks temp was hovering around 85 +/- 2 deg, the grow area is only about 5'x4' and 1 6" inline fan was not cutting it so I ended up having to add a second which has knocked it down by about 5 deg. They are at about 7 weeks now and are about 18-20 inches (with a couple of midgets thrown in) and plan to cut back to 12-12 in a day or so.

Things looks good man, the plants look healthy. Based on the fan leaves it looks like your growing sativa/mostly sativa. good luck on the grow, and when are you going to flower?

Looks great man, for the 1st round in a long time you sure dialed it in pretty well. Yes it will look beautiful in 2wks. <3

Thanks guy's, plan to switch the lights over in a day or 2, the girls are a mix of Mango, Ice and unknown freebies from the seed bank.
Should I ease the lights over an hour a day for a week to get it to 12-12 or just knock it straight to 12-12?

Knock it straight to 12/12. & Watch her bloooom.