what do you reckon, i initially thought it was light burn, but it is only happening on the older leaves, am I right in thinking its a defficieny? Maybe lack of magnesium? Also noticed some sticky glossy looking stuff appears on the leaves, which I think then proceeds turn yellow or rusty

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too much food.
are into 12/12 yet.
what is your food sced.

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take me to your dealer.

I use coco so I feed them a bit everyday, but the problem started when I wasn't really giving them any, I then stopped and it kept on getting worse. I'm not on 12/12 yet, am going to switch soon, how will that affect the plant?

I've also started adding epsom salts, any idea what the sticky stuff is? Here is a picture of how it looks at the before it goes rusty.

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I have this exact same problem and i do believe now that it is over nuteing fo sho.

have you stopped it now? Did it effect the older leaves first?

yes it is effecting them as we speak. i am waiting for my soil to dry out so i can flush them. hope it works..

cool, i'm gonna give mine a good flushing as well.

Stop !!!!!! Dont Flush, That Looks More Like A Fungus Attack !! Your Best Bet Is To Remove The Plant Immediately Away From The Others... I Had The Same Problem Before, I Was Growing 3 Plants, All In Veg. And In Like The 3rd Week One Of My Plants Startet Those Mini Cigar Burns With Random Yellowing Spots On Leaves, I Flushed, Didnt Feed Nutes For A Week, Nothing, It Stoped Growing, So I Decided To Remove From The Other Plants, Cannot Be A Nute Burn Because The Other Two Are Fine And Continued To Grow While The Sick One Kept Getting Worse... Definitely Fungie Attack

how do I cure it if it is a fungie attack? It is affecting all three of my plants, one pretty badly, another quite a bit, and the third more indica looking plant not as much. would a fungie attack not affect all of the leaves equally though? my problem is definately with older leaves...