Hi @DrStorm - I missed your question from two months ago. Regarding the Mason Jar Test - there are several good documents/videos on Internet that document this process. I found this one quite helpful. There is YouTube video as well:
https://growitbuildit.com/mason-jar-soil-test-clay-sand-silt/
@azdavidr did an amazing write up on how to use the soil survey to define your soil settings. You can find it here:
https://community.rachio.com/t/using-web-soil-survey-to-define-your-soil-settings/6094?u=only6foot6