Rusty looking Lowryder 2

(Butters)

Well-Known Member
Gone through the provided links but couldn't find anything that looked enough like this to make a definate diagnosis.

Facts:
Hydro dwc set up.
Strain: Lowryder 2
Lights: 150 hps and a few cfls
Temps: typically 82-84d but gets up to 90 for about 1.5 hours each day (closet grow)
Humidity: 40%
pH=6.3 but will go down below 6.0 (ph'd daily)
Nutes= Fox Farm hydro trio
PPM=about 600 recently
Age=She's at 2 months. Grow was severely stunted very early on and she was essentially dead but came back.

This pic is a good representation of what I have been seeing on about 25% of her leaves in the past 2 weeks or so. Literally looks like rusting on leaves. Any thoughts?
 

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