I start with 30 secs on/off every 3 hours with lights on. I adjust the flow valves so they drip similar and then just add time to on/off cycle if they dry out. I go for minimal runoff.
I will be tucking leaves a few times per day to promote side branches to grow. I avoid trimming too many leaves on Sour Crack until needed. I had a Sour Bubble forever and it didn't like too much leaf pruning at once, Sour Crack is the same IMO. They look great for day 13 from seed.
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