Mardel Fritz Aquatics Fritz Mardel - Coppersafe Size:4 oz Unique texture gently removes plaque

Unique texture gently removes plaque and tarter as dogs indulge their natural chewing instincts

FLOW-THROUGH VENTILATION: Calm Carrier features superior flow-through ventilation on all four sides

- The Large Plus size Mag Float is Recommend for use with acrylic aquariums sized 125 Gallons and up with a surface thickness up to 3/4”

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Mardel Fritz Aquatics Fritz Mardel - Coppersafe Size:4 oz Unique texture gently removes plaqueAbout this item Treats 94 gallons Not for use in reef aquariums Live Nitrifying Bacteria eliminates Ammonia and Nitrates Do not use Copper safe solution with fish species that have a known sensitivity to copper