I cant cut and paste too well but Ive answered the questions.
250w HPS 12 in from tops with fan blowing over tops.
Enclosed reflector
Good air supply
6 in net pots of rockwool cubes (Deep Water Culture):hippy:
Grown from seed
Tap water adj to 5.8
Check with drops
Adjust with mad farmer Ph down
Ionic bloom 3-2-6
Ionic boost 5-6
I change res when Ive replaced half of the original with topoffs
usally weekly ( she feeding rapidly)I topoff daily at least 11/2 liters usally.
4 tbsp per 6 liters bloom
1/2 tbsp boost per 6 liters
Ph flucuates daily from 5.8 to as high as 7
and I adjust every morning with the topoff usally incrementally
if I have to make a big adjustment
I never foliar feed
Open 2x6x8 closet
Day temp 82 / night temp 70
Humidy somewher between 40 - 60 %