Can anybody tell me what is happening?

B

Binks420

Active Member
Hello, i have 4 autos in 19L pots of coco at 76 days since seedling. One of them is going bad but i dont know what is happening. I’m adding some calmag. Canna boost ans terra flores from canna about 10cL/2 days.2C906D9C-F7BF-48D0-9143-A3973B1D4C2A.jpeg
 
Hmm good question, I'm not sure. The pH of your soil could be too acidic (or alkaline) in order for calcium to be taken up by the plant. I think its a good call adding the calmag, hopefully it helps bring the pH up. (if that is the problem)
 
If you're growing in coco you should already have a pH meter so you can pH your nutrient solution before watering. If you haven't been doing that then you need to start. I wouldn't worry about testing the pH of the coco. Worry about the pH of what goes in. Just pH what you feed to around 5.8 -6.0 and the coco will adjust to the proper pH after a couple waterings.

As for dumping more stuff on that plant, it looks overfed as it is. Dumping more stuff on it isn't going to fix anything. I'd cut back whatever nutrients you're using to half strength.
 
Pook said:
Hmm good question, I'm not sure. The pH of your soil could be too acidic (or alkaline) in order for calcium to be taken up by the plant. I think its a good call adding the calmag, hopefully it helps bring the pH up. (if that is the problem)
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Thanks
 
xtsho said:
If you're growing in coco you should already have a pH meter so you can pH your nutrient solution before watering. If you haven't been doing that then you need to start. I wouldn't worry about testing the pH of the coco. Worry about the pH of what goes in. Just pH what you feed to around 5.8 -6.0 and the coco will adjust to the proper pH after a couple waterings.

As for dumping more stuff on that plant, it looks overfed as it is. Dumping more stuff on it isn't going to fix anything. I'd cut back whatever nutrients you're using to half strength.
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Ok i will do that thank you
 
xtsho said:
If you're growing in coco you should already have a pH meter so you can pH your nutrient solution before watering. If you haven't been doing that then you need to start. I wouldn't worry about testing the pH of the coco. Worry about the pH of what goes in. Just pH what you feed to around 5.8 -6.0 and the coco will adjust to the proper pH after a couple waterings.

As for dumping more stuff on that plant, it looks overfed as it is. Dumping more stuff on it isn't going to fix anything. I'd cut back whatever nutrients you're using to half strength.
Click to expand...
My water ph is at around 5 with the nuts but 6 without. Should i just water it without the nuts for a while?
 
I would water a couple of times with clear water (no nutes) and see if that raises the pH. Or use a pH up :)
 
Don't water with plain water....this is a huge mistake when growing in coco. This is not the cure to your problem.

It appears your plants have been fed a little too much (you may want to dial this back a smidge), they appear short on Ca and it looks like you have mite damage. With that being said, you will need to know your pH...it's an important variable to know and manage when growing in coco. Dial in your pH and mitigate the mites (if you indeed have them and my old eyes aren't just seeing things) firstly. Then make your adjustments...but not the other way around. Good luck.
 
CannaCountry said:
Don't water with plain water....this is a huge mistake when growing in coco. This is not the cure to your problem.

It appears your plants have been fed a little too much (you may want to dial this back a smidge), they appear short on Ca and it looks like you have mite damage. With that being said, you will need to know your pH...it's an important variable to know and manage when growing in coco. Dial in your pH and mitigate the mites (if you indeed have them and my old eyes aren't just seeing things) firstly. Then make your adjustments...but not the other way around. Good luck.
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I don’t think its mites because my other plants are fine
 
Binks420 said:
My water ph is at around 5 with the nuts but 6 without. Should i just water it without the nuts for a while?
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Never run plain water through coco. Mix your nutes 1/4 - 1/2 strength and water with that until you get 10-20% runoff.
 
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