Originally Posted by Seattle_Aquarist
Hi HD Blazingwolf,
"Calcium Montmorillonite Clay" = is a clay that is rich in calcium
whereas Safe-t-sorb is:
"Montmorillonite Clay, Calcined" which is clay that has been heat treated (Calcined) which expands the pores and increases the ability of the clay to absorb.
I think the confusion is in the two words; Calcium (a mineral) looks very similar to Calcined (heat treatment); but their meanings are not the same.
Thanks for explaining that!