DWC Rusting on top leaves - need help!

Fhawila

Well-Known Member
Hi guys ,

I’m running Mills nutrients - plants are particularly big as needed them to stabilise before flipping.
1.7-2 EC
PH 5.8-6
600 uMol Quantum Led
66 F Water temp
73 F Ambient Temp
50% RH
1200 PPM CO2

Some plant leaves are showing these rust spots on them, I supplemented low dose Athena Calmag but hasn’t solved 100% - any thoughts are very welcome!
 

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