Purplehaze Posted August 2, 2011 Report Share Posted August 2, 2011 Hello everyone, I have a question, how long do you leave your lights on for seedlings/clones?? I have a separate 4x4 small room that I use for seedlings clones, and 2 mother plants. I have a 8 bulb T-5 fixture and I have it on 18 hours. The more I read, seems 24 would be better for the seedlings and clones, would the mothers be to unhappy? Quote Link to comment Share on other sites More sharing options...
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