Categories
BLOG

rust spots on marijuana leaves

Brown / Rust spots all over lower fan leaves

@Charlie
Member

System: bubble buckets w/ airstone
Nutrients: floranova grow @ 1200ppm
ph:

5.75. checked everyday
Lighting: 400w mh 16 inches away
Temp:

85F
Humidity:

50%
Ventilation: intake connected to a/c vent, passive when not on. 500cfm booster fan exhaust

mambokabui
Well-Known Member

Lets see the bottom side of a bad leave.

No misting right?

@Charlie
Member

Lets see the bottom side of a bad leave.

No misting right?

Absolutely no misting.

This is the best I can do right now for an underside pic. All you can really see underside is just the circles where the spots are on the top

LoPro
Member
doc111
Well-Known Member

System: bubble buckets w/ airstone
Nutrients: floranova grow @ 1200ppm
ph:

5.75. checked everyday
Lighting: 400w mh 16 inches away
Temp:

85F
Humidity:

50%
Ventilation: intake connected to a/c vent, passive when not on. 500cfm booster fan exhaust

Genosyde
Well-Known Member
LUDACRIS
New Member

thats spider mites.

joshkrauss
Active Member

thats spider mites.

hoots123
Well-Known Member

i get this in all my grows too i still havent figured out what it is.. but i really think it could be MAG DEF. i even bought mag pills for humans and broke off little bit it seemed to help. mine go from rust to green and sometimes really bad rust if i dont co anything.

right now mine are turning yellow/brown like oily looking. and the really green onse are turning from dark green to a yellow green. any ideas?

The Lorax
Active Member
hoots123
Well-Known Member

here is a couple that have rusted bad.. and i really have no nutes in these onse.. some are seedling femenized seeds and the others are clones.. but ya this is when the rusting’s gone wild.

wow they look bad haha! damnit.. i neglect them a bit too much sometimes.

Hey all, something is wrong with my plants lower fan leaves. Rust/brown spots are all over the lower fan leaves. Here's my info and pics System: bubble…