What could this be on my leaf’s

Dezzoc87

Member
These plants are 18days old they have had these makings on them since they where seedlings but they seem to be getting worse I can’t seem to find what’s up with them I’ve looked at deficiencies charts and it doesn’t look like anything I’ve seen before, temps 21/25 degrees odd day mite reach 30 - ph 5.5/6.2 -light 18on6off mars hysro ecf4600 had there first nutes at half strength one week ago but the makings where already there before feed - I’m using shogun nutes the all package the white dots are bits of dust of a old fan and I’ve checked for bugs like I’ve said been like that since sprouting
 

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smoke and coke

Well-Known Member
I have that issue once in awhile usually just 1 plant. Usually I increase the amount of cal mag dosage and that helps and or the plant grows out of it. If it doesn’t stop completely, it’s just an odd leaf here and there.
 
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