Deficiency or Nutrient burn of some sort?

@Smoknkush_420 What is "de" water? Or do you mean letting it dry out sufficiently so any possible gnats/eggs die off?

Still debating on when/if to water with the mosquito bites.

@Jypsy Dog Thank you for the excellent reply. Seems like were leaning towards a sulfur deficiency, I will mix up a spray tonight and do that! Thanks again.
 
Wastei said:
Try raising the lights and see if the problem persist. Probably not a pH or nutrient problem if you feed with complete plant food.
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Ive gotten told to lower lights, raise lights, and turn up lights. Haha, which one?! Ive got them about 20-24 inches away currently and turned up maybe 50%
 
Smoknkush_420 said:
LOL OKAY literally just went through an iron def 2 weeks ago. that looked exactly like these but Okay mr arrogant dweeb
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Go back and look at his pictures.... Veins are yellowed out. Iron all happens between the veins.

Do you Have Iron Deficiency in your Cannabis Plants?

Iron Deficiency with cannabis plants occurs with new leafs , you will notice yellowing between veins, but take a closer look where the yellowing starts
www.sensigarden.com www.sensigarden.com
 
"but Okay mr arrogant dweeb"
YOU missed the difference, and that's the difference between helping and guessing.
 
Smoknkush_420 said:
Iron def. ph too high likely because your water is very alkaline naturally. so even if you ph down it will naturally climb back up especially of youve overwatered. or simply rootbound
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This combined with the amount of K and Ca/Mg you're adding is locking out Iron. FF is SUPPOSED to be prebuffered, but you should check it anyway.
 
Jypsy Dog said:
"but Okay mr arrogant dweeb"
YOU missed the difference, and that's the difference between helping and guessing.
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LOL OkAY lets look at a fucking cartoon drawing instead of a real plant. and iron def does yellow the veins fool sulfur will also discolorthe tips on lower growth which he doesnt have GENIUS tell me these veins aren't yellow SMH so before jumping to conclusion maybe check your eyes first
 

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3rd Monkey said:
This combined with the amount of K and Ca/Mg you're adding is locking out Iron. FF is SUPPOSED to be prebuffered, but you should check it anyway.
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From what ive read FF will buffer me for a few weeks, ive had these plants in this soil for almost a month now if im not mistaken. The only feeding ive done is 1/4 strength, big bloom, calmag. Do you think that could still be a lockout?
 
notoriouscheech said:
How would you suggest to combat a possible iron deficiency? I watered with 6.3 ph last night and a very light cal mag/big grow feeding. The run off was testing 6.5-6.6.
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itll just take time. took mine almost a week to grow out of it ended up transplanting and flushed with 6.5.

shes happy again.
 

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Do you suggest giving more straight waterings then and no nutes? or keep doing very light feeding every other.

I watered yesterday at 6.3 and my runoff was 6.5-6.6
 
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