What the hell is going on

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gelato23

Active Member
I am in coco I’ve reused the coco a few times but I’ve fed sensizym to break down old roots and I flush heavily before I put another plant into coco.

mom using advanced nutrients and generally feeding half to 3 quarters of recommended dose, my leaves start yellowing mid to end flower but the buds look fine,it’s starts with fam leaves and spreads to even sugar leaves.
 

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farmingfisherman

farmingfisherman

Well-Known Member
Better photos always help but even with the one you provided it looks like nutrient burn or maybe things got a little to warm or dried out on you. Good luck
 
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gelato23

Active Member
farmingfisherman said:
Better photos always help but even with the one you provided it looks like nutrient burn or maybe things got a little to warm or dried out on you. Good luck
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Temps are around 28c, I put a whole bucket 10litre of water through the one in first pic yday and the run off was 2.8 to 3 on ec so I’m guessing some kind of salt build up but I don’t understand how because I always water to run off
 
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gelato23

Active Member
ApoPNW said:
How far away are your lights? Looks kinda orange so the only thing I can think is that your HPS is too close and you're getting light burn. Just a thought
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The lights are a decent distance away but I will say it only happens to some plants generally the taller ones u can see I have a Scrog net generally plants under that don’t go as tall as the ones on other side of tent and don’t really get the issue apart from that one that clearly has however I’ve bent it quite abit because it was deffo to close to lights before
 
Maggs707

Maggs707

Well-Known Member
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gelato23 said:
I am in coco I’ve reused the coco a few times but I’ve fed sensizym to break down old roots and I flush heavily before I put another plant into coco.

mom using advanced nutrients and generally feeding half to 3 quarters of recommended dose, my leaves start yellowing mid to end flower but the buds look fine,it’s starts with fam leaves and spreads to even sugar leaves.
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Damn. Looks like you have a couple things going on. All of those yellow leaves is most definitely Nutrient lockout. Also looks like your temps might be too high and possible wind burn (leaf edges curling up). Crank up your exhaust and don't blow the fans directly on the plants. pH your feed bro. A good flush might do you well.
 
Maggs707

Maggs707

Well-Known Member
gelato23 said:
I am in coco I’ve reused the coco a few times but I’ve fed sensizym to break down old roots and I flush heavily before I put another plant into coco.

mom using advanced nutrients and generally feeding half to 3 quarters of recommended dose, my leaves start yellowing mid to end flower but the buds look fine,it’s starts with fam leaves and spreads to even sugar leaves.
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Looks like a major P lockout to me.
 
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gelato23

Active Member
Maggs707 said:
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Damn. Looks like you have a couple things going on. All of those yellow leaves is most definitely Nutrient lockout. Also looks like your temps might be too high and possible wind burn (leaf edges curling up). Crank up your exhaust and don't blow the fans directly on the plants. pH your feed bro. A good flush might do you well.
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you don’t ph feed with advanced nutrients and tbh that exactly what I’m thinkin some kind of nutrient lockout would explain why runoff ec is so high, don’t think it’s the fans because it’s not the plants closest to fans that fuckup. Temps of 28c aremeant to be ok?
 
Maggs707

Maggs707

Well-Known Member
gelato23 said:
you don’t ph feed with advanced nutrients and tbh that exactly what I’m thinkin some kind of nutrient lockout would explain why runoff ec is so high, don’t think it’s the fans because it’s not the plants closest to fans that fuckup. Temps of 28c aremeant to be ok?
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Just because your nutes are pH perfect, doesn't mean you shouldn't check pH. I've had water come out of the hose at 8.4. Always check pH bro. 28c is the upper limit of what's ok. How's your humidity?
 
KronikChaos77

KronikChaos77

Member
gelato23 said:
you don’t ph feed with advanced nutrients and tbh that exactly what I’m thinkin some kind of nutrient lockout would explain why runoff ec is so high, don’t think it’s the fans because it’s not the plants closest to fans that fuckup. Temps of 28c aremeant to be ok?
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So.. because you use a ph perfect line of nutes don’t mean a thing. You have to use the full dose as read on the bottle for “ph perfect” to even come into play. Both NOT checking PH and feeding gung ho style can lead to drastic shit going on with your plant. Lesson learned I hope. Those leaves aren’t going to come back.
May the force be with you moving forward.
 
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gelato23

Active Member
Maggs707 said:
Just because your nutes are pH perfect, doesn't mean you shouldn't check pH. I've had water come out of the hose at 8.4. Always check pH bro. 28c is the upper limit of what's ok. How's your humidity?
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Rh around 55


KronikChaos77 said:
So.. because you use a ph perfect line of nutes don’t mean a thing. You have to use the full dose as read on the bottle for “ph perfect” to even come into play. Both NOT checking PH and feeding gung ho style can lead to drastic shit going on with your plant. Lesson learned I hope. Those leaves aren’t going to come back.
May the force be with you moving forward.
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so if I don’t use the nutes at full strength which is too strong the ph perfect stuff doesn’t work?
 
Star Dog

Star Dog

Well-Known Member
gelato23 said:
nutrients, additives.
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I'd think you need to back of with the ppm/ec and get your temperature down a few degrees, hot temperatures and dry humidity that come with them sap moisture from the plants driving up the ec.

Fwiw ime additives are more prone to causing problems than putting weight on the plants, I don't use any now but I've used my fair share over the years and I have still to notice any improvement with them imo they are bollox/snake oil call them what you want.
Best of luck!
 
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