will this work for randy's two part

[J_Geisinger000]

will this calcium chloride work for randy's two part?

 

[Randy Holmes-Farley]

I can't tell if it is suitably pure or not. Sorry.

 

[J_Geisinger000]

it doesnt say if its any kind of food grade or pharmasuetical grade

 

[J_Geisinger000]

how would I be able to tell?
prolly cant huh
I have a bag here

 

[Randy Holmes-Farley]

Nope, it is not easy to tell. I had to do lots of tests with an $80,000 machine to verify that Dowflake was OK:

Purity of Calcium Chloride
http://www.advancedaquarist.com/issues/mar2004/chem.htm