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Re: greensand as substrate?

Hi Chazz,

I know that greensand is used as an organic source for potassium. Makes your 
question kind of interesting! How about doing a search on other minerals 
contained in it and if there isn't too much copper or other potentially 
dangerous elements go ahead and try it?

A quick APD search shows that it was considered as a substrate for killifish 
tanks but was kind of abrasive. Only other comments were that it was 
difficult to rinse clean.

Kathy in southern Calilfornia


>A local salvage store has greensand for what seems to be a
>price.  I'm wondering if anyone has any thoughts about using
>as an aquarium substrate.  Thanks.

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