Brand new and factory sealed. Ships for free with care! Save if you buy more than one! FOR FRESHWATER aquariums: Quickly clears cloudy or hazy water caused by overfeeding, gravel dust and other minute suspended particles. CLUMPING ACTION: Causes small, suspended particles to quickly clump together to settle or be removed during normal power filter operation. USAGE: 1 teaspoon treats 10 gallons of water.
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