Yellow white around and on leaves

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Westbankstef

Active Member
Super Soil
Daytime
Temp 84
Hum 65
Nighttime
Temp 72-74
Hum 60
These are Water only no nutes.
But i have 2 out of 8 that I’m throwing nutes in that are doing this as well.
Started seeing some of the bigger fan leaves develop this and I don’t know what it could be.

researched that it could be mag deficiency or iron deficiency. The homie said cal mag.

Just making sure
 

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Phytoplankton

Well-Known Member
Not Fe, that would show in the new top growth and it woud be a very yellow, almost white in color. To me it looks like a Mg issue. Either Calmag or epsom salts should fix it up. A light foliar spray of epsom salts should give results pretty quickly.
 
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