can calcium be substatuted?


New Member
believe it or not none of the pet stores around me have calcium without d3..
I plan to order some off the net but in the mean time can something be used as a substitute?

Solid Snake

Avid Member
In an EXTREME emergency, people have ground up cuttle bone and used that.

Depending on how long you intend to be without it, you may want to just wait.
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