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Spectrastone blue gravel is an ideal substrate for fresh water and marine tanks. Our standard colors use silica quartz which is an inert stone tha...
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Spectrastone red gravel is an ideal substrate for fresh water and marine tanks. Our standard colors use silica quartz which is an inert stone that...
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Spectrastone white gravel is an ideal substrate for fresh water and marine tanks. Our standard colors use silica quartz which is an inert stone th...
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Stoney River sand is an ideal substrate for fresh water and marine tanks. We use silica quartz sand that will not affect pH.IngredientsN/A
