The nutrients you can use for KNF style growing are widely available in the world around you. Natural berries, like the salmon berries in this article, can be fermented to procure a high nutrient, high terp yeilding, all organic fertilizer for your garden be it cannabis or vegetable.
The berries will ferment for 5 to 7 days before being added to the water table of your grow. The most practical application of this nutrient is directly to the soil through conventional water methods, or via sprayer to the leaves and canopy of the plant.
You will crush the berries to a near paste before leaving them for 5 to 7 days to ferment.
A nutrient:water ratio of 1:1000 will produce the best results for cannabis. As well as encourage a high production of terpenes which hold a high value in products such as Diamonds and Sauce.
The golden colors you seen in the Diamonds and Sauce are the terpenes which produce higher yeilds when using KNF growing pracrises compared to other traditional living organic soil style growing methods.
If you like organic growing, share your nutrient mixtures in a post then link it in a comment below so we can all curate great quality cannabis in our lives.