Membrane Filter

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    …then fall rapidly as the biological filter becomes established. The ammonia will be converted to nitrite (also toxic), then to nitrate. This process may take several weeks. Use Aquarium Pharmaceuticals STRESS ZYME to speed up the development of the biological filter. In an established aquarium, the…

    $15.48 Regular Price: $

    …Test For Nitrite?Nitrite (NO2-) is produced in the aquarium by the biological filter. Beneficial bacteria in the biological filter convert toxic ammonia into nitrite (also toxic). The biological filter then converts nitrite into nitrate (NO3-). Testing for the presence of toxic nitrite…

    $35.98 Regular Price: $
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