ESP BASELINE
Based on: https://books.google.com/books?id=94taDwAAQBAJ&pg=PA165&lpg=PA165&dq=crooked river settlers esb recipe&source=bl&ots=FOKmb4AwJH&sig=KmGk_6MdIItageEl2LviwH3TDzk&hl=en&sa=X&ved=2ahUKEwiVtPvQ-7jfAhVItIMKHYVCAxgQ6AEwDHoECAAQAQ#v=onepage&q=crooked river settlers esb recipe&f=false
Salts CaSO4 3.3g, MgSO4 0.8g, CaCl 2.1g plus a pinch of meta B.