Brown rusty looking spots on my Santa's leaves. I dont know what this is.

M

markmr3

Active Member
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These blotches are only on my santa Maria f2's , the THC, Kush and Brainstorm are all looking well. Their all grown in 60/40 mix of soil/prelite and all watered from the bottom as not to nutrient lock the siol. They are all given the same nutrients. Should I give them an iron supplement?. Any Ideas
 
jondamon

jondamon

Well-Known Member
Looks to me like either mites as suggested above or a calmag issue.


Some strains are known to heavier in need of Ca or Mg or both.



J
 
Jimdamick

Jimdamick

Well-Known Member
Looks like a Calcium def to me. If the plants are about 5 - 6 weeks old, that is when is usually shows up.
 
budman111

budman111

Well-Known Member
markmr3 said:
View attachment 2803006
These blotches are only on my santa Maria f2's , the THC, Kush and Brainstorm are all looking well. Their all grown in 60/40 mix of soil/prelite and all watered from the bottom as not to nutrient lock the siol. They are all given the same nutrients. Should I give them an iron supplement?. Any Ideas
Click to expand...
Give a calcium supplement and see if this helps.
 
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