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Is the three-story seafood aquarium better or the two-story seafood aquarium?
The third floor of the seafood fish tank is better than the second floor. Three layers are practical, three layers are cleaner than two layers, and three layers can put more filter materials. Three-layer filter cotton is the most effective and has the best effect. The three-layer filter cotton can effectively filter the feces and sediments in the water in the fish tank, which ensures the cleanliness of the water in the fish tank to a great extent, not only ensures sufficient dissolved oxygen in the water, but also brings good living conditions to the fish.