Build a sluice box (boil box) - Geothunder Projects
Nov 13, 2011· 13. Build the end of the sluice. I'm not 100% confident in this design so you are sort of on your own. You will will probably want to put in some triangle supports on the bottom and a cross member on the top to add strength. 14. Run all your threaded rods through. By this point you probably already have some of them in.