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Amazon.com: Alan Stone Glow in The Dark Home and Garden Fish Tank Aquarium Decorative Sand Gravel Rock (3-5mm, Blue) : Pet Supplies
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Random blue rock in my fish tank?? This came out of no where I haven't put anything in, it just appeared one day what is it??? : r/Aquariums
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Amazon.com: Alan Stone Glow in The Dark Home and Garden Fish Tank Aquarium Decorative Sand Gravel Rock (3-5mm, Sky Blue) : Pet Supplies
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