deficency

Hi folks, Looking for a bit of help and advice please ? Symptoms rust brown spots rust fringes rust tips to a lesser degree close up full size and other images attached below Plant outdoor mostly sativa germinated from seed origin: my girlfriend's crop lat year Soil 6 / 7 weeks old...

In week nine with my autoflower amnesia haze and since 2 days top leaves start having brown spots and than the whole leave gets brown/yellow and curls up. i would think nutrient deficiency but don´t understand how as i am feeding acording to manufacturer and ppm looks to me like its it the right...

12 weeks in on plant. Coco coir grow. 2.1.1 nutrient ratio because started feeding at 10 weeks. Major lighting issues during plants young life. Fixed issues by upgrading from 15 watt led to 300 which cause the plant to have a beautiful bloom. Just noticed although, some slight early damage to...

Hi this plant had a calmag mistreatment she was fed with 5ml/l of calmag. She was flushed on the next watering It's a dinafem cheese XXL auto, day 60~ Her feeding schedule : Currently 1ml/L biogrow, 3ml/L biobloom Under a 600w HPS at 50cm/20inches height distance. Soil : biobizz all mix pH...

So to keep things short today I noticed the tips of my lower leaves yellowing and the whole of them leaves also going more lime green my setup: 250w hps General hydroponic flora trio + some cal mag Cana coco + perlite mix Lights on temp maxes about 29c FeedAnd water is ph about 6.2 My first...

I was wondering if somebody can tell me what's wrong with my plants, I am on week 10 super lemon haze auto GHS strain. Been feeding advanced nutrients under 2 x 600 watt, 8 x 12L fabric pots and one 15L autopot (just trying it out) Soil. Past few weeks they have been getting Bloom A and B 1.5ml...

First time growing in coco just bought new nutes specific for coco called Mo’koko it is a 2 part nutrient, I Also started adding silicone to the water before any nutes and I bought AN’s B-52 and vodoo juice and, I am adding that as well, but my one of my plant’s didn’t respond so well to the...

Brown Speckles on upper leaves. Any ideas on what it could be?