"Nedra" wrote:

Hey Lee ... Is the calcium bentonite clay the same thing as
Koi Clay?

Bentonite:
http://www.csminchem.co.uk/bentonite.htm

Koi Clay
http://www.koitonic.com/what's%20it.htm

The latter site indicates it is calcium bentonite, and the former
indicates that sodium bentonite has different "gelling" properties.

usd $28/10 lbs from the latter site.