T Cotton Posted January 18, 2021 Share Posted January 18, 2021 Hello all. I work at a quarry and we’ve processed some rock down into gravel and pea gravel. It has interesting colours in it and I’m wondering if I could use it I’m some future aquarium set ups. Can anyone shed light on how I can condition the gravel so it would be safe to use ?? Is boiling it enough ?? thanks everyone in advance for your input. Link to comment Share on other sites More sharing options...
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