If you have roots, you can put them in system. your only concern would be if you fed them too strong a nutrient solution.

If you want to place them in system, running ph'd water and superthrive 1/4tsp per gallon or Liquid karma, follow direction's for seedlings; You will be OK.
latewood Reviewed by latewood on . First Grow - Ice 2000 - Advice Welcome Ok having read up i'm starting my first grow, 12 Ice planets in a NFT hydroponics growtent. First up, here's the setup ;) Rating: 5