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any way to minimize contamination from new betta?

468 Views 3 Replies 4 Participants Last post by  MrVampire181
I recently lost one of my fish in a divided tank setup, and want to get a new one. However, I'm afraid introducing a new betta from a pet shop could introduce disease to the tank, and to the healthy fish on the other side of the divider.

Do any of you guys take any precautionary measures before introducing a fish to an existing community?
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Nitrofuracin. I recently lost quite a few fish so I'm treating everyone with this stuff and using it as a preventative. This stuff kills everything your betta may have.
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