Expert Advice....Plants sick

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Seedlessone

Well-Known Member
Ok I need some advice....plants are 3 1/2 weeks into flowering and they are sick. I though it was MG defenciency so started feeding epson salts....Still looking like shit, so now I dont know what to try next. PH is at 6.7.
 

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videoman40

videoman40

Well-Known Member
When you say your ph is 6.7, what are you checking? the reason I ask is
that the addition of nutes to the water can/will change the ph.
Maybe this will help you?

Peace

Seedlessone said:
Ok I need some advice....plants are 3 1/2 weeks into flowering and they are sick. I though it was MG defenciency so started feeding epson salts....Still looking like shit, so now I dont know what to try next. PH is at 6.7.
Click to expand...
 
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Seedlessone

Well-Known Member
VM- yeah i was saying my runoff is 6.7. So in other words my PH is right on point, so its not going to be a lockout.
 
videoman40

videoman40

Well-Known Member
It seems to be effecting just the upper leaves, correct?
Yellowing leaves can be either Nitrogen deficiency or too much water.
EDIT:
You need to continue your veg fert for the first three weeks of flowering. The plant goes through a major growth spurt during this time and needs loads of nitrogen, flowering ferts often have too little and the result is that a lot of people find their plants turning yellow about two weeks into flowering.
I hope this helps you!
Peace
 
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krime13

Well-Known Member
Hey video man this is probably the answer I was looking for...Have similar problems, and yes I did switch the nutes when started flowering, my leaves are curling down and in on themselves though, should i go back to weg newtes again? Have geen on 12/12 for about 10 days...
 
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Seedlessone

Well-Known Member
Lack of N would not cause the green veins though. Lack of N also tends to start at the bottom of the plant....this is def. not lack of N.
 
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nightfun

Well-Known Member
a friends grow looks just like that after 3 to 4 weeks of flowering. nitrogen was way down. used bone meal and clear water ph 6.2 for 2 weeks. plants started coming back. all but 1 are looking great for him, the worst one seemed to go back to a very low nitrogen problem again, he used bone meal again last night
 
potroast

potroast

Uses the Rollitup profile
Well, I notice a couple of things. First, it looks like you've called it correctly, a classic mg deficiency, so I would allow the epsom salts to work. Second, it looks like you'll have to change your location. :mrgreen:
 
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Seedlessone

Well-Known Member
LOL potroast yeah its not to green in da hut now!! Hey are you sure it could not be iron. I say this becuase of the green ass veins.
 
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