74556 Whale Seaward Magnesium Anode

- Magnesium Anode: Provides a strong source of magnesium for aquariums - Durable Construction: Made from corrosion-resistant materials for long-lasting use - Easy Installation: Ships with all necessary mounting hardware for quick and simple installation - Compatible with Most Aquariums: Fits standard 1.5 inch diameter aquariums - Safe for Fish: Does not produce harmful chemicals or gases that can harm fish