I noticed the leaves on this one particular plant beginning to fade a bit but then unzipped my tent after 3 days away and they looked like this and even onto the sugar leaves as well. Relatively new grower here. My medium is living soil and just switched to straight water the day I left in preparation for harvest in maybe a week or so depending on my trichome heads.
Bottom picture, top right of image that fan looks like it's got leaf septoria setting in but could be calcium spots, I'd want a better image to see if there's yellow rings
. Lighter color showing up on those lower tops plus they're clawing... is that a different plant? Burnt tips that are too low to be attributed to the light, potassium burning in the leaf edges, necrosis starting at the tips working inward, anthocyanin coloring coming in on fans toward the top signaling phosphorus is in or out of play...
Often when you're looking at a plant it can be a little confusing as to whether you are looking at a situation of overfeeding or underfeeding. Both trigger deficiencies that can look similar. But the multiple symptoms all together there are screaming that you're either feeding that plant too much, or youre not giving it enough water in terms of volume to dilute the concentration , or both.
And this is really just an educated guess, but the ratio all looks like it got hit. The clawing is too much nitrogen. The burnt edges is potassium. The purple and red colors is phosphorus. The spots are calcium. You must have gone light on the epsom and pH not too out of whack, the particular nutes that have been affected don't suggest it's triggered by acid or alkaline. But data is king. EC, pH, ppfd, RH, VPD, temperature, it's important to collect, track and manage it based on what it tells you, so you can keep it pointed in the right direction: The finish line.
going on , flushing time , nitro burn
ur about ? 2-3 weeks til harvest .