Tetra Tropical XL Color Granules with Natural Color Enhancer, 10.58-Ounce (TetraColor)

All Penguin BIO-Wheel Power Filters deliver easy, three-stage mechanical, chemical and biological aquarium filtration. Convenient Penguin Rite-Size Filter Cartridges come ready to use with each filter ready to mechanically and chemically remove waste, discoloration and odors. Each contains new faster-acting Black Diamond Premium Activated Carbon for maximum efficiency. Biological filtration is provided by the revolutionary and patented BIO-Wheel - proven best at removing toxic ammonia and nitrite. All BIO-Wheel filters feature Noise-Reducing Two-Piece Vented Covers, and Adjustable Mid-Level Intake Strainers.

Bio-Wheel technology delivers a three stage mechanical, chemical, and biological aquarium filtration
Certified flow rate of 75 GPH (gallons per hour), perfect for aquariums up to 10 gallons
The penguin power filter requires virtually no set-up, making it perfect for any fish lover
Convenient penguin rite size "a" cartridge comes ready to use with each filter
Bio-Wheel technology delivers a three stage mechanical, chemical, and biological aquarium filtration
Certified flow rate of 75 GPH (gallons per hour), perfect for aquariums up to 10 gallons
The penguin power filter requires virtually no set-up, making it perfect for any fish lover
Convenient penguin rite size "a" cartridge comes ready to use with each filter

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MarineLand Penguin 75 Power Filter, 75 GPH (PF0075B),Black;