You might find this of interest in regard to hardness testing of your samples.
http://www.homemadetools.net/forum/s...832#post102624
You might find this of interest in regard to hardness testing of your samples.
http://www.homemadetools.net/forum/s...832#post102624
There are currently 1 users browsing this thread. (0 members and 1 guests)
Bookmarks