Rust spots like these - pic included

H

holistic

Member
I've been researching this problem and sometimes I'm convinced it's Mg deficiency and sometimes I think it's Cal deficiency and sometimes I think it's K deficiency!

What do you think it is?

Bubble bucket - city water adjusted PH 6.8 - GH products and schedule.

Thanks!

photo.jpg
 
ca$hcropper

ca$hcropper

Active Member
Looks like K deff to me, some cal mag won't hurt as well but looks like K.
Are the tips kinda rusted or burnt looking?
 
H

holistic

Member
The very tippy tips are little brown. Mainly the spots are on the margin of the leaf. The ppm in the bucket is less than 600. Thanks!
 
kouki monster

kouki monster

Active Member
ca$hcropper said:
Oh wow just saw the hydro part, yeah ph is deff to high as well
Click to expand...
OP, definitely drop the ph to 5.8-5.9 and see if things change over the next couple of days.

Here's a basic chart I found online, notice the hydro chart on the left? If the plant is OG then definitely keep her in the lower spectrum of the 5.5-5.9 ph levels. If not an OG then 5.8-5.9 should be fine.

View attachment 2055933
 
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