I am using 1/4 str foxfarm big grow, Cal mag, super thrive, general hydro silica. And great white for beneficial bacteria. They are one one feeding a week with 2 waterings in-between nzutes cycle.
I use the advanced sunshine number 4. I transplanted them into 1gallon pots a little over 2 weeks ago and they just received there first 1/4 nute feeding.
I'm not really sure why the leaf tips are curling and turning brown. I just started them on a 1/4 nutrient watering once a week with ph waterings in between so shouldn't be a burn. Using 2 8 bulb t5 fixtures 2 feet from the top so shouldn't be heat stress.i wait until pot is dry and very light...