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Heat stress?

I don't know if anyone has touched on this but some plants are heavy feeders and some are anorexic. Some need constant feeding and some need next to nothing. But I agree that it could use a large pHed water flush, flush with 3 gallons of water for every gallon of soil in the pot. You don't have to wait for it to be dry and ready for a watering. If your doing a flush you can do it half way between watering or even the day after watering.
 
I see. That’s very weird. A nutrient issue would happen on all the plants usually. I agree the most likely scenario seems to be nutrient lock down. Seeing the damage on the lower leaves helps eliminate he possibility of a simple deficiency. That’s why I went coco and never looked back. To many things out of your control when using soil
 
Flushed out my sick plant last night. Hopefully things will start to improve now? 🤞🏻
Wasn’t looking too happy today..
 

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If the flushed is helping the plant - then it was a nute burn you got. But I really hope it’s get better for the plant 🙏🏻
Doesn’t look like a light burn to me.
 
Thanks @CaptainWise91 for your concern. I’ve ruled out the lights being the issue. I think the flush has helped. Leaning towards Nute lockout due to me being a prick and overwatering.. Not letting my plant get what it needs because of salt build up and constantly damp soil. Hopefully my other two plants don’t go down the same road. I’m definitely not overwatering those ones! 🤦🏼‍♂️
I’m going to keep a close eye on this plant over the next few days. Next time I water I will feed a light dosage of Bloom and CalMag with around 20% run off.
This is all new to me. Bit of a learning curve.
 
Every grow is a learning experience and process. Even for me in my current grow also. But it’s really normal for new growers, everyone wants to “do good” towards the plants. It’s normal
You won’t get good at it, if you don’t make mistakes and correct them.
next time you make run off, be sure you don’t have some root rot, if you overwatered the plant for a long time👍🏻
and run off water is always good to make. I do it every time I water, so I don’t build salt up - and then maybe the flush is never needed during the grow 🙏🏻
 
Your plant is a real puzzle because everything is fine in theory yet the plant is not happy. Hopefully the flush will get her going again
 
Definitely a bit of a puzzle. Imagine trying to figure out what’s going on when you’ve never grown before. 🤷🏼‍♂️
I can only put it down to me watering a bit too often with not enough run off. Then because of my poor watering with this one I believe it caused Nutrient lockout due to salt build up? I don’t feel like it was Nute burn or just a deficiency because there were too many things wrong, all at the same time. I’m no expert though, that’s for sure! From now on I will leave the pots feeling light for a day or so before watering and make sure I get around 20% runoff..just to be on the safe side. I think being close to the lights didn’t help as it was speeding up photosynthesis and the extra heat from the light probably didn’t help either. The worst effected fan leaves were right in front of my oscillating fan which also probably dried those leaves out a bit. The lower/larger fan leaves on the other side are not too bad, especially the ones in the shade.
Confusing time for a first timer. 🤯
 
I can’t see or smell any sign of root rot. The roots are still white and healthy and my soil and runoff smell fine. Hopefully I have done what was needed by flushing and hopefully the plant will start to make a recovery. 🤞🏻
Will keep a very close eye on things from now on.
I did notice before the flush that the perlite that was on the surface of the soil was a little bit brown. It’s not brown anymore and neither of my other 2 plants have brownish perlite. It’s all looking white again, like how perlite is supposed to look.
Maybe I had perlite rot 😂
 
I’ve grown close to 200 plants and I still find myself clueless more often than I would like to admit. Most people out there will repeat the same things you find online but experienced growers know there is a lot of complicated things that can happen where theory becomes useless and your only option is to try things. Just like happening to you now. You think you have it all figured out and soon comes the unexpected
 
I tried to raise awareness about trichoderma harzarium but people didn’t paid attention and nebula never answered. It’s the only biological fungicide capable of killing pythium, it also kills all the others root rots. It’s widely used in Asian agriculture but in Cannabis only mycorrhizae is used and it doesn’t prevent other fungi
 
Update on my sick plant. The lower leaves are turning yellow and falling off. New growth at the top of the plant looks a bit more promising. I’m not sure if I have fixed the issue or not? I plan to feed with bloom and CalMag on the next watering. Seems like it needs some Phosphorus now, especially after the flush out a few days ago.
What do you guys and gals think? 🤷🏼‍♂️
Can I save this plant???
 

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Give it some nutrients 👍🏻 My opinion
After a flush - you restart with nutrients. And cal mag never hurt a cannabis plant 👍🏻
 
Thanks CaptainWiese91. Glad we’re thinking along the same lines. I won’t go too crazy with the nutes. I’ll make sure I get a decent amount of run off too. 👍🏻
 
Exactly! Run off water is perfect.
Rather water with half the strength nutes, and then you can do it twice. Than one time with double nutes and then it’s too much and you need a flush again..
 
I’ve been extra cautious with the nutes so far. Only feeding quarter strength. Still thinking I wasn’t getting enough run off which may have added to this issue. I've had a word with myself and sorted my watering issues out!
...Do you think the new growth looks encouraging?
I hope I can save this plant. That would be amazing!
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With attention and care you can save it.
Still some burned tips, but the new leaves are pale. I think it wants some nutrients. Specially if you had a lockout and now flushed the medium
 
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