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Mystery rock mix I bought as aquarium rocks... What do you think??

+1 vote

I bought these online as used aquarium rocks but they don't look like any I've ever seen.. Would anyone have a guess as to what this mix could be made up from?? They might be completely common but I want to know what they are so I know if they are safe for my fish :P Thank you for all your help! :)

 

 

 

 

 

 

asked Dec 29, 2016 by o0AprilShowerso0 (130 points)

1 Answer

0 votes
They look like polished rocks which were not god enough for sale.
answered Jan 1 by Weasel (40,320 points)
Thank you for your input! I'd say that's very possible based on the size and look of them. I have more than 30 pounds of them, I wish I knew where they originally came from! Lol
 


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