Deep sea crush

[Grobie]

Hi all, I'm new at this, can someone PSE tell me if I can use Deep sea crush in my new 48" Tropical tank?

 

[cherrypie]

Deep Sea Crush... what's that? crushed coral or something?

 

[Grobie]

i really dont know saw it at the local landscaping, looks like small pepples about 2 to 3 millimeters sizes

 

[carpguy]

Never heard of it and Google hasn't either.

Any idea what's in it? Who makes it?

 

[Grobie]

Thanks, will take sample to my lfs and ask them if I can use it in my tank.