I have six Hawaiian Konas under a 250 w HPS in a 2 x 4 table full of hydroton.. They are doing great! 2.5 weeks into flower. Mamma was sprouted in rockwool and is also in hydroton.. I vegged the kona clones in 4 inch rockwool! DO IT!!
I am watering 3 x a day for 30 minutes.. I have a 4 inch...