Anon#8269031
Member
Is this nitrogen deficiency or over watering? Or maybe a disease? Iv been fighting with this problem for a bit now. Iv changed the water and gave them this nutrients (see attached picture). Any suggestions
This is nitrogen deficiency right?
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hotrodharley
Well-Known Member
Age of plants? Medium they’re in and any feeding you have done.
hotrodharley
Well-Known Member
It’s not a nitrogen deficiency. Appears potassium deficiency. But why at this stage?
Anon#8269031
Member
I'll admit I don't know exactly the age of the plant so I'm goin to take a guess here, there around 4-5 weeks. The medium is coconut fibers. Not sure what you mean by feeding, could you elaborate for me. I'm new to growing and this form. Apologies for my ignorance
Anon#8269031
Member
If it's a potassium deficiency how do I get more potassium in my plants?
hotrodharley
Well-Known Member
Did you soak the coco and rinse it well before using it? If not that’s your explanation. It’s heavy in sodium. Sodium displaces potassium.
hotrodharley
Well-Known Member
Personally I’d transplant into something that is not more than 30% coco. For multiple reasons. Rinse coco well. Some pretreat by resoaking in cal mag at 2 ml/gallon of water. But at least rinse really well. Even if it says you don’t have to!
Anon#8269031
Member
No I didn't know I had to do that, iv grown in coco before and never has this issue. Any way to fix it?
Stealthstyle
Well-Known Member
use perlite instead. I used to use perlite when i first started growing in 1996, i never had any issues besides a few white flies.
When i switched to coco i would get all these deficiencies. So im back with perlite. if they are monster trees they could fall over though as perlite is too light.
When i switched to coco i would get all these deficiencies. So im back with perlite. if they are monster trees they could fall over though as perlite is too light.
TessaMaria
Well-Known Member
Do you mean that you use only perlite? It soinds very interesting, what is the process?
Thanks
Stealthstyle
Well-Known Member
Buy a bag or two of perlite, poor it into a pot, put in seedling and jiffy pellet in the middle i only ever use 12 liter pots, 50 liter pots seem to allow the plant to topple over
Budzbuddha
Well-Known Member
Sounds like a Hempy.
lusidghost
Well-Known Member
Just flush it with a bunch of PH'd water. A PPM meter would be helpful if you have one. Then during the next watering start off a little low in the nutrients and work them back up to a normal level over the next few days.