Anyone have the remedy to my issue?

Noticed a week ago roughly and it's getting worse.
Coco perlite
Canna nutrients
Boost
Pk13/14
Cal mag
700ppm
5.8ph
35d since flip.
Water daily to run off

thanks

CraigMk said:

Noticed a week ago roughly and it's getting worse.
Coco perlite
Canna nutrients
Boost
Pk13/14
Cal mag
700ppm
5.8ph
35d since flip.
Water daily to run off

thanks View attachment 5376456View attachment 5376457View attachment 5376458

Click to expand...

I'm not a coco grower so I'll let the others help going forward. You should start by comparing the ppm's of the water going in and the ppm's of the runoff and posting the results to see if there is a salt buildup in the medium.