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calcium supplement
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  1. Finless Friends
    I read somewhere that burying a cuttlefish bone (the same as used for birds) under the aquarium gravel is good for snails because it gives off calcium to supplement their shell growth. I've got one Zebra Nerite in with my betta in a 2.5 gallon tank. Thoughts? It's not cycled, but I do have a...
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