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cleaning sand
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  1. Betta Fish Bowls, Habitats, and Accessories
    Hello! This may seem like a strange question, but I'm curious. I've always used pebbles/gravel in my small tanks, and I've been wanting to put in black sand into my oldest betta's heated & filtered 2.5 galllon tank. How does one go about cleaning the sand (for when I do full water changes...
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