Some of the leaves higher up on the plant have it also, I'll take them off and keep an eye on them
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That looks like the start of a potassium deficiency to me. As it progresses the leaves will start to curl/taco.
The most common cause of that in soil is probably overwatering. A slightly high pH will also bring it on but you shouldnt have that issue in soil unless you are overwatering.
Drip irrigation in hydro is awesome, produces huge yields and is easy to manage. In soil, not the case at all.Flower Room: 11' x 7' x 7.5'H, 480w AC, 13gal/day dehumidifier, 1.5gal ultrasonic humidifier, 60gal (27gal usable) nute tank, 16" pedestal fan & 18" wall fan. Lighting and climate automated. Hand watering.
Veg Cupboards: Two 4x2x6H cupboards. SF2000 Evo in one SF7000 in other. Climate controlled and automated. Hand watering
Aeroponics Low Pressure Bucket: 20W LED. 5 clones & 20W LED 11 clones
Lights: Mars Hydro FC-E1200W, SF-7000, SF-2000 evo in flower room.
Medium: Coco/perlite, 7.2gal pots, no drains
Current Grow: 5 x Photos Franklin's Orange Zkittles x Sour Diesel in flower room, 3 Franklin's White Widow x Sour Diesel Clones, 13 x Orange ZkittleZ x Sour Diesel clones in Aeroponics buckets x 2.
Last Grow: A mixComment
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There's a good amount of bone meal in the soil,I think the leaves got wet and were burnt by the lightComment
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