Calcium

[waterbear]

There's a .pdf of the stuff here:

http://www.dow.com/webapps/lit/litor...0.pdf&pdf=true

If I get a moment, I'll look up what the ASTM that they conform to is composed of. I think there's enough info there for me to see if it's a safe product. If you can find a MSDS on "pool type" CaCl, we can compare the two and see how they match up.

Michael

check out this PDF a lot of info on calcium chloride
http://www.omri.org/calcium_chloride_final.pdf