Blaha Posted October 1, 2021 Share Posted October 1, 2021 (edited) I was cleaning my art studio the other day, and found a bag of huge oyster shells. My wife says they are from a local river and she took them (after raccoons had already killed the organism) and cleaned them some amount of years ago with the idea of scraping off the surface to use the mother of pearl for jewelry. They are huge. About 4-5 inches across by 2-3 wide and tall. Are they safe to use in a fish tank? Is there more I'd have to do to make them safe besides rinsing dust off? Will plants like anubias or java take hold on them as a growing base? I think they'd be a beautiful addition and my fish can hide in them like caves. Edited October 1, 2021 by Blaha Typo Link to comment Share on other sites More sharing options...
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