fine gold sluice

  1. Help, is it possible to use substitute for a 3/16 expanded metal in a sluice build ?

    I am in the process of building the "Popandson Fine Gold Sluice". I have most of the sluice building material, but the difficult part that I couldn't get my hands on is the (3/16ā€) expanded size of the last part in the sluice. This expanded piece is put at the bottom of the sluice , and...