Corrugated Plastic Pipe Can Make A Sluice Too

Building a sluice from corrugated plastic pipe.
http://webspace.webring.com/people/fw/wyogold/build_sluice.html

After you look at the photo of the sluice, click the Go to step One Click Here  button.
These are the most comprehensive and clearly written instructions on the web.

These are great for "fine" sluicing.