Sea minerals
Top answer
I don't really have a good reason for you why he leaves seawater out. Sometimes folks in the audience will ask and he will be like "oh yeah, add that too". KNF is really about intuition and less about this shotgun approach, but this app is designed to get you to be able to hit the target at least close enough for government work.
You will also notice that on his sheet there are the proprietary minerals which he refuses to teach to even his most advanced students, so most likely this knowledge will die with him and we will forever be left hampered by an old man's greed. whoops.
From the KNF library
Your 1 g/L habit matches the library.
Fresh seawater goes in at 1:30 with fresh water. Made from sea salt, it is 1 gram of sea salt per liter of fresh water (Cho's Solutions, p. 15). Master Cho's list of soil recovery solutions gives the same pair: seawater diluted 1:30, or sea salt diluted 1:1000 (Office Hours Ep. 54, 52:04).
Seawater is one of the nine core solutions. Diluted to the salinity of your blood, it lets plants take up trace minerals (Cho's Solutions, p. 1).
Seawater also shows up in at least one spray. The fruit harvest formula, sprayed in the last two weeks, includes seawater minerals at 1:10-1:20 (Office Hours Ep. 17, 54:08). That is stronger than 1:30, so ratios differ by use.
The library does not explain why the leaf solution leaves seawater out. It also says nothing about the app's concentrations.
Sources
- 54:08 Office Hours Ep. 17 (Feb 2022) — Biochar Activation, Fish for FAA, and Fruit Sweetness Formula · “Spray the harvest formula the last two weeks: food from three good fruits diluted 1:500, plus medicine, seawater minerals at 1:10-1:20, and calcium.”
- 52:04 Office Hours Ep. 54 (Oct 2022) — Water-Soluble Phosphoric Acid, Chitin, Bare-Root Tree Planting · “seawater diluted 1:30 or sea salt diluted 1:1000”
- p. 15 Cho's Solutions · “Make from sea salt: 1 gram of sea salt per liter of fresh water”
- p. 1 Cho's Solutions · “Every element is present in the sea and by diluting it to the same salinity as your blood, they can be absorbed by plants to fill trace mineral requirements”
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