{{{ Magnesium Deficiency won’t go away }}} *Pics

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silvermt

Well-Known Member
howdy RIU:

Can you guys confirm that what I’m seeing looks like a mag deficiency?

I feed them 2.5 grams per gallon of Magnesium sulfate and I haven’t been able to cure this deficiency in two weeks

I’m 8 days in flower
growing in coco
feeding 750-850 ppm ec of 1.6.1.9
PH 6.0

Run-off is always very relative to what I’m putting in.


Please help me out
 

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pulpoinspace

pulpoinspace

Well-Known Member
silvermt said:
1 tsp or Silica
2-2.6 grams of magnesium sulfate
2 grams of calcium-nitrate
Click to expand...
is this all you're feeding?

if so its a potassium def for sure, prob phosphorous too

potassium def can look like mag def. you need to get this plant a complete nutrient
 
myke

myke

Well-Known Member
pulpoinspace said:
is this all you're feeding?

if so its a potassium def for sure, prob phosphorous too

potassium def can look like mag def. you need to get this plant a complete nutrient
Click to expand...
It says he’s feeding at 1.6-1.9 EC. Have to assume it’s food. Wouldn’t have made it this far if all that EC was Ca and Mg.
 
pulpoinspace

pulpoinspace

Well-Known Member
yeah i'm not sure. are you under LED lights too? i struggle with magnesium constantly in peat under LED and i'm always hearing horror stories about coco and LED. seems like some popular strains need a ton of magnesium these days.
 
Jypsy Dog

Jypsy Dog

Well-Known Member
Get your coco flushed out and reset... Don't change anything until you see how it responds. Some strains are Mg Hogs, but we lock them out fucking with it. Always Reset and Observe.
 
N

NJDGow

New Member
I had a similar issue and it ended up being root aphids. Not saying this is what is causing the issue just wanted to bring it to your attention so you can rule it out. Good luck.
 
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