Can you help me recognize the problem? (leaf photo)

[bluter]

"The completely natural blend of ingredients contains black peat, white peat, compost, worm cast and perlite."

run under soil rules. double check to see if it is buffered. if it is suspend ph and see if the plant improves.

 

[rokkie]

Will do thanks!

 

[SmokingWings]

Biomix light

"The completely natural blend of ingredients contains black peat, white peat, compost, worm cast and perlite."

It is BioBizz Light Mix. Most of the volume of soil is a peat moss of one type or another. Knowing that could change some of the suggestions made.