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seeds Do seedlings need dark?

24 hours is fine for very young seedlings but as they get a bit older there are aspects of photosynthesis which occur in the dark so something like 20/4 is better at that point.
 
I like to emulate mother nature, give'em some dark and save some $$$.
Check similar threads like this:

http://thehotpepper.com/topic/21261-lighting-cycle-question-hours-on-and-off/

Cya

Datil
 
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