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- pH neutral - will not increase hardness
- Small, smooth grains are bottom feeder friendly
- No artificial dyes or paints
- Free Inside: Live bacteria packet for faster cycling
CaribSea Super Naturals is the perfect substrate for any aquarist trying to mimic a natural environment. This all-natural substrate is free of artificial dyes or paints and will not affect the pH or hardness of the water in your aquarium making it a great option for freshwater community aquariums. The small and smooth grain size also makes it safer for use in aquariums housing bottom feeders or sand sifting invertebrates.
Midnight River – A dark, small gravel substrate.
Typical Size: 1 to 4mm
Average Density: 93 pounds per cubic foot