What i do is start in 16 oz dixie cups. For maybe teo weeks i veg in those until roots are established. I go straight from dixie cups to 7 gallon fabric pots. I use 1/3rd super soil and 2/3 rds base soil. I veg for 45-60 days before i flip. Around 3-4 weeks into flower i top dress with 1 gallon...