Like above, that light is not going to do much once in full flower. However, while it is lengthy, topping will help promote lateral branching. If you want to, now is the time.
I am already liking the Roots Organic soil. Not as hot as FFOF as it seems. Still enough nutrients to get a few weeks with no need to feed. All my current plants are in the Roots Organic besides my furthest along flowerers. Everything else in flower and veg are in Roots. I honestly wouldnt...
When they are small,they don't need much. Once they are an established plant, older then 4 weeks, water to run-off. The dry period is just as important as the wet period.
Plants are tricky for me....if they have fat buds I take the leaves off prior to drying. If they are smaller....I leave the leaves on. Curing sadly can turn the best grow into shit if not done right.
Like I said, I used to grow strictly under them. Served me well for their price at the time and some of my best plants were grown under them. I just upgraded my spaces over time and DIY was the best option for me at the time. I also didnt know a single thing about building them but so glad I...
These are currently under a Mars Hydro TSW-2000 however....I am building a light to replace it. But if a light shocked me....it would be the last time I ever used it.