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Product Description
Replacement Bio Rings for the Aquavista 500 Wall Mounted Aquarium
When replacing your bio rings only replace half at a time, then wait a week or two and replace the other half. That way the beneficial bacteria living in your bio rings won't all be lost at once
Contains about 130 bio rings
When replacing your bio rings only replace half at a time, then wait a week or two and replace the other half. That way the beneficial bacteria living in your bio rings won't all be lost at once
Contains about 130 bio rings
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