" wrote in
ups.com:

calcium carbonate is limestone. You probably dont want to put actual
lime in your garden, it is highly caustic and will burn you and your
plants. Limestone will raise your pH. Do a soil test first.

Toad


No, limestone is calcium carbonate.

It's advice like that noted above which annoys me to no end.

--
David J. Bockman, Fairfax, VA (USDA Hardiness Zone 7)
email:
http://beyondgardening.com/Albums