Can anyone help

Reddareefer

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Are any of these rocks no nos for a reef tank

1545171855068-1306649020.jpg


15451718830261302067189.jpg


1545171911092-1488710282.jpg
 
The ones in the last picture especially. They look like they would go in a freshwater tank. Respectfully.

Any rock that is from ancient coral beds, aragonite based is suitable for reef/ saltwater tanks. Rock from granite, river rock.... may leach unwanted heavy metals into your tank.
 

IF YOU HAD TO TAKE A REEFING EXAM, WOULD YOU PASS?

  • Yes!

    Votes: 32 45.7%
  • Not yet, but I have one that I want to buy in mind!

    Votes: 9 12.9%
  • No.

    Votes: 26 37.1%
  • Other (please explain).

    Votes: 3 4.3%
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