Ok, 29 day old Auto AK, 15l growbag, miracle-gro all purpose compost, 300w LED full spectrum light.temp is usually between 20-23 'C,RH 40ish most of the time. Apart from once,( about a week and a half ago, 0.5ml of biobizz grow in a litre of water,) ive only ever watered it,(every 2-3 days,i do the ''to the knuckle test'') so no other nutes. I noticed today some of the leaves from the new shoots are starting to curl downwards and the tips have turned yellow on a few of them.Sorry for the shyte pics. any advice welcomed.
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