Decyl glucoside (C16H32O6) can be used as a non-ionic surfactant. It is a substance that falls under EPA List4B and CAS NO: 41444-55-7. It can also be used in hard water. Please test use about 1L based on 500L.
JS is complete without using RED CLAY, ROCK POWDER, or PHYLLITE POWDER. In this case, no precipitation is required.