Totally fine for now, it's the extraction that matters most as they start to get bigger. You've got to have airflow, man...or it will end up with light burnt leaves from moisture /condensation buildup during the night cycle and under top touching leaves during the grow cycle. Like you see happening a LOT on here. Quality extraction solves all that. Hope it helps. Didn't see a diary for this yet. I'd be keen to follow along if you do make one.