Hey @Gardener_of_Goodness, the lights off temps have been about 15°C but I'm not getting any purple. Kind of disappointing but they are healthy so I can't complain. I'm not really able to drop it any lower right now and don't want to mess with a good thing. They only get to about 22°C with lights on.
Maybe if I was running an 18h cycle instead of 20 they'd be cooler for longer and that would bring the purp?
I still have a few of these seeds left that I'll play with on my next run and see if I can add a little colour to my stash.
Happy growing!
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