not easy in the home. if you don't know its safe, then play is safe, we all
have too much money involved in out tanks to take risks.

Steve
"Dan Norgard" wrote in message
...
No, so far I'm just toying with the idea. How do I test for all that?
Thanks, Steve
Dan


"Steve Sells" wrote in message
ink.net...
depends on what is in that rock, have you tested them for Iron, and heavy
metals, for a start for toxic things... ?

Steve


"Dan Norgard" Can Volcanic Rock be safely added as a base to the LR in a
cycling tank ??

Thanks,

Dan