[virgil283]

"Calcium carbonate would be powdered limestone, and you can find that everywhere."

AHA...pet supplies.

The only thing I could find at walmart was 'Dolomite' tablets in the vitamin section ...Thanks

[SAJ]

Look for calcium carbonate in the ‘garden’ section of stores such as Home Depot. Sears’ famed old garden section used to have c.c. all the time, don’t know about it now that that Wall Street hustler, Eddie Lambert, has taken it over.