Leaves turning yellow

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Hey guys, overall plants looking good however seeing some discolouring on leaves, particularly on one plant. I'm not 100% sure what's wrong but suspect nutrient lockout.

Could anyone confirm?
 

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Hey guys, overall plants looking good however seeing some discolouring on leaves, particularly on one plant. I'm not 100% sure what's wrong but suspect nutrient lockout.

Could anyone confirm?
hey whitey i suspect your barking up the right tree could you give us some more info like nutes / medium / watering amounts etc.
 
hey whitey i suspect your barking up the right tree could you give us some more info like nutes / medium / watering amounts etc.
Hi Trichome,

So they each get around 500ml of water daily. Maybe they should drink more but considering pots are only around 8.7 liter (2.3 gallon) I think maybe it is enough.

The soil seems slightly on the alkaline side. (Pic of test from today attached)

They get a vegetable grow which I got two weeks ago and only used once. I bought it because it had less nitrogen (was having some nitrogen toxicity issues) same of everything else but more magnesium.

Attaching pic of that also.
 

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Update: So I took the plant out, completely flushed it with pure bottled water, let it drain and dry for 24hours. It only seems to be getting worse. I've worked so hard im worried I'll lose the plant. :(

I'm considering giving nutrients today as they haven't got any in almost two weeks so maybe it's not lockout maybe it's the opposite, lack of nutrients? More pics attached
 

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I’m no expert, but that urea# seems low. Hell, rabbit poop would be better than that bottle IMO.

EDIT: Human urine runs about 11:2:4.
 
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Hi Trichome,

So they each get around 500ml of water daily. Maybe they should drink more but considering pots are only around 8.7 liter (2.3 gallon) I think maybe it is enough.

The soil seems slightly on the alkaline side. (Pic of test from today attached)

They get a vegetable grow which I got two weeks ago and only used once. I bought it because it had less nitrogen (was having some nitrogen toxicity issues) same of everything else but more magnesium.

Attaching pic of that also.
cant help out here really im sorry to say my best guess is that the ph is off or the nutes are too strong you will need a ph pen and a e.c meter in future without these measurements theres not much i can tell you to do
 
Why did you flush with bottled water? It won’t be in the right ph range.

If you’re in soil, don’t water it every day. You’re probably under feeding or over watering and the ph balance is swinging. 500ml isn’t much.

Trim off some of the more damaged feeds, and feed it nutrients only when the pot is light.
 
Why did you flush with bottled water? It won’t be in the right ph range.

If you’re in soil, don’t water it every day. You’re probably under feeding or over watering and the ph balance is swinging. 500ml isn’t much.

Trim off some of the more damaged feeds, and feed it nutrients only when the pot is light.
Thanks for the advice dude. Situation only seems to getting worse, I'm waiting for soil to dry out but it's taking awhile. Maybe poor draining is an issue.

I feel the plants are only a few weeks from harvest and at this stage maybe I should be laying off the nutes?
 
cant help out here really im sorry to say my best guess is that the ph is off or the nutes are too strong you will need a ph pen and a e.c meter in future without these measurements theres not much i can tell you to do
Appreciate the input dude
 
They should be okay to finish up just from a water feed but in the correct ph range. Judging by appearance, they only have a couple weeks left. You will lose some weight/yield for sure but it’s a learning experience bro. My first grow sucked, second grow sucked less, third grow was okay, fourth was pretty fucking good. Every grow is a learning session
 
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