Bacteria query

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Stonker

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Hi again
As you might know, I’m setting up a cold water tank for a Brown UK shore crab which has been “rescued” from a supermarket. The. Tank is around 4 weeks old now, and the crab is in.
Also at the same time I’m setting up a new reef aquarium. My question is, could I use some of the Bio balls from the crab setup in the new tank to help with cycling, or is there too much of a risk from parasites/bad bacteria from the crab? Would these have been filtered out mechanically before the bio media?
Input welcome, thanks
 

WHICH KIND OF INVERT HAS CAUSED THE MOST MISCHIEF IN YOUR TANK?

  • Sea urchins

    Votes: 8 21.1%
  • Hermit crabs

    Votes: 4 10.5%
  • Other crabs

    Votes: 4 10.5%
  • Shrimp

    Votes: 4 10.5%
  • Snails or conchs

    Votes: 2 5.3%
  • Sea stars

    Votes: 0 0.0%
  • Anemones

    Votes: 8 21.1%
  • None! My inverts are model citizens. :-)

    Votes: 6 15.8%
  • Something else (tell us in the comments)

    Votes: 2 5.3%
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