Lower leafs getting soft and dark Green

Cocktrauma

Well-Known Member
High Guys

Having my second run with autopots ATM using Biotabs(supersoil like pills containing various meals npk 15 7 8 and some guano) in a 50/50 peat moss perlite mix with some coco thrown in.
The Biotabs should provide nutrients for the whole run what they perfectly did in the last one but now the plants seem unhealthy...
The pictures is taken on day 15 of bloom with 20 days veg before.
I have several strains all showing kind of similar problems...
The lower leafs are dark greenish but with no tugorpressure and the top ones show kind of burning marks which could be potassium or overfertilization?

Any advice whats going on
My first guess was phoshordeficency but I is quiet uncommon at day 15 of bloom


Hope someone can help ;)
 

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They are unhealthy. Maybe next time start off with known cannabis nutrients. Lots of things I don't see like how you measure anything. Ph, ppm, temps. I'd do some more reading bro. It gets better. Good luck.
 
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