K deficiency?

K

ketamine_disposal_unit

Well-Known Member
Plants are day 50. This started showing up around week 6. All plants healthy and praying till then. Buds are very solid and healthy but.leaves starting to turn. Potassium?

A couple of the phenos show nearly no deficiency. But 4 of them are turning this way. First run of this strain. Trouble free grow up til now. Hope to fix this up for next run
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Nixs

Nixs

Well-Known Member
Last pic, I'm not really sure, but if looks like bug damage, check under the leaves.
 
K

ketamine_disposal_unit

Well-Known Member
pH is 6.5 measured by dropper test
Feed is
HG coco AB
Multizyme
Budxl
ToPshooter
Calmag
Mammoth P
Great white

@ec 1.8 in coco
Flushed wk 5 as per feed chart

Will flush again today and try maybe supp P or S
 
lakesidegrower

lakesidegrower

Well-Known Member
how much calmag are you adding?
I don’t think the great white or mammoth p are necessarily causing the issues.. but are you mixing salt based ferts with organics?
 
Gond00s

Gond00s

Well-Known Member
6.5 is kinda high ph wise for coco which could be a problem. you shouldnt be flushing plants in general its not needed its bro science. the only time u have to "flush" is when you nuke your soil with nutrients then get a instant burn showing. a low ec balanced feeding is powerful. highest ive been feeding is 1.6 - 1.8 ec.
 
O

Ozark Outdoor beauty

New Member
How are you mixing all of those nutrients? Your issue is definitely smelling like ph. Easiest definition of chemistry to remember is “the study of change.”
If you throw all those chemicals together before diluting or even using them in the same feeding can cause ph fluctuations or nutrient lockout
 
J

jonnynobody

Well-Known Member
Ozark Outdoor beauty said:
How are you mixing all of those nutrients? Your issue is definitely smelling like ph. Easiest definition of chemistry to remember is “the study of change.”
If you throw all those chemicals together before diluting or even using them in the same feeding can cause ph fluctuations or nutrient lockout
Click to expand...
He stopped feeding them. Problem solved. My last cycle went 10 weeks. I'd have never made it to harvest if I stopped feeding halfway through. Flushing at week 5 is some of the worst garden advice I've ever heard. I run plain water for 3 days before I chop. Sometimes I see people post that they're "starting the 2 week flush" and I just shake my head. How does starving a plant in hydro produce a better quality flower? Food for thought.
 
OneMoreRip

OneMoreRip

Well-Known Member
You can flush to get overload/ excess out of medium then top flush off with reg feeding.

to get ph back into range can be another reason to flush.

Id guess ph is at the start of Op problems. Ec way to high nutes build up in soil throw off everything. 1.3 ec

also not digital ph reading so not positive actual ph iirc they said test strips. Edit: dropper test

6.0 ph 1.3 ec. I’d sell all the nutes but one general purpose nute and get a digital ph pen

water with 1.8 ec the plants only use 1.3 left with 0.5 ec in medium and put 1.8 on top now you have 2.3 ec. Do that a few times
 
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