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Mr Green 17

Yellow dots

Hi wondering if anyone could advise me I have some yellow spots on a few leaves.

 

Led lights are about 14 inches away

 

PH seems fine in coco around 5.7

 

Im adding cal mag at about 7 ml per gallon

 

Canna a and b at 12 ml

 

I cut back on the cal mag as I thought I could be giving too much it appears its on a lower leave so don't thnk it could be light burn.

 

Thanks guys.

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Put some photos up dude.. 

and also more about the environment, growing medium etc ... 

helps people to narrow it down for you 

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I have actually no idea how to upload a photo and I'm actually not too bad technical wise loll, 

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Sometimes called “yellow leaf spot” or “leaf septoria,” this condition is caused by a fungus (or sometimes a bacteria) that attacks cannabis plants and usually appears in warm, wet weather. ... Make sure to keep the ground under your plant clean. Rake away all leaves and vegetation from soil and ground.

 

Took this quote offline, I'm certainly FAAAAAR from an expert but may be worth reading into. 

I know spider mites can cause yellow spots as they eat the chlorophyll from the underside of the leaf! 

I'd have a good thorough clean and inspect everything dude. 

 

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