id go with the 18/6 for such a young plant. the darkness helps promote a healthy root structure which is very important in the begining. after a few weeks you could switch to 24/0 after you feel like theres a substantial healthy root base.
mushaboom Reviewed by mushaboom on . 18/6 or 24/0 whats better for a 1 week old plant 18/6 or 24/0 and why Rating: 5