NekoSamaanswered grow question 5 years ago Howdy!
Honestly, with seedlings, I run 16/8 til they get true leaves, then switch to 18/6. For autos 20/4 or 24/0 is fine but I think it's a waste of electricity. It won't hurt but I like to think in terms of wattage use and such too. Hope this helps!
Happy growin' y'all!
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