I had the same problem a couple years back, but I could not find anyone
selling one of these units. In the end I built one myself using a
large metal bucket, submersible pump, and custom designed attachment
fixture. It not only looks fairly nice, but the results met the ASTM
Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here.
All logos and trade names are the property of their respective owners.