Hi there this is my 2 nd grow the 1St one only got 17g from 3 plants as they got nute burn. I'm obviously using different soil this time and my girls are 15 days old now and have 2 full nodes the 3Rd is just coming and about 7-8 inch tall, I have them under a 15w (63w) 800lumen 60hz about 2 inch from top 1light per plant my question is when to change to my 400w mh thank you.
When to switch to me from cfl
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