I have planted 2 Royal Gorilla and 2 Royal Purple seeds in 5L pots using Biobizz soil using a 400W HPS bulb in a room that is 1m x 1m x 1.7m.
The soil is premixed with ferts and i will only start supplementing from week 3.
i am giving the plants 400ml of water per/day
and 5 hours lights off.