NC Wildlife warns aquarium moss balls may contain invasive Zebra Mussels

Moss balls may contain Zebra Mussels
Moss balls may contain Zebra Mussels(N.C. Wildlife Resources Commission)
Published: Mar. 5, 2021 at 9:16 PM EST
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RALEIGH, N.C. (WITN) -The N.C. Wildlife Resources Commission is warning anyone who has recently purchased aquarium moss balls that they may contain an invasive species of mussel called the zebra mussel and should be carefully discarded immediately.

The Wildlife Commission received notice that it appears the moss balls were imported from Ukraine to a distributor in California that recently shipped contaminated product to pet stores nationwide.

A moss ball is a species of green algae that is formed into a ball and is two to five inches in diameter. Moss balls are purchased for home aquariums to help absorb harmful nutrients in the water and limit the growth of undesirable algae.

Not only are zebra mussels harmful to other aquatic wildlife, they can also clog water pipes and restrict water supplies.

Fisheries biologist Todd Ewing stated, “The Wildlife Commission has led a concerted effort to keep the species out of the state because of both the negative ecological and commercial impacts. It’s actually illegal to possess zebra mussels in North Carolina.”

If you have recently purchased moss balls, the Commission is urging the public to dispose of them immediately by placing them in a plastic bag and freezing them overnight, boiling them or soaking them overnight in a bleach solution (one cup bleach per gallon of water). The moss balls should then be bagged and disposed of in the trash. Living moss balls or untreated water should not be disposed of in any location where they could reach sewage systems or streams or lakes.

For your aquarium, remove the fish and apply the bleach solution and let it sit for at least one hour before disposing the water down the sink or toilet. Filters, gravel and structures should also be disinfected as described above before disposing of water down the toilet.

The Commission is working with retail outlets as well as state and federal agencies to monitor the situation.

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