Calcium for plants using reptile calcium

[boats4906]

My plants have a calcium deficiency and i have been looking for crushed coral,,, i also found in the Pet Stores an additive that you can use for reptiles,, has anyone tried to use it?

http://www.petsmart.com/search/index.jsp?kwCatId=&kw=calcium&am...

there is also a calcium sand is that a possible alternative to crushed coral?

[Pat James]

Why waste the money on store bought products when you have the resources in your own backyard? I see you live in San Antonio, so I know you have an abundance of caliche around. The rock (with the holes) found in it is limestone, high in calcium. It will raise your pH though so be careful.

[Devoid]

A big bag of calcium carbonate is fairly cheap. Also raises ph