When making 20L, use a container of about 25L, and when making 100L, use a container of about 110L. HDPE is good. Containers with lids are readily available at Walmart or Dewalt stores.
It can be replaced with stone powder, which is heavier than water. Azomite has a low specific gravity, so it is difficult to precipitate when making JS. JS can be stored permanently. thank you
