Originally Posted by Slow2Sew
I use a rectangular shaped mag floater that is used in floating concrete.
What is that? When I did a google search this thread is about the only thing that came up (along with boating links)-nothing related to floating cement.
n/m. Magnesium float. I found it but can't see how it works for this purpose. Unless you use it in place of a ruler, in which case how do you measure?