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  1. Goldfish turning yellow

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    So, I've had goldfish for a few months, I bought 2 and had them in a 10 gallon tank, then moved them to an 80 gallon tank with my guppies when I switched rooms and bought another. I now have an orange fantail and a white and red oranda, which are older, and a calico fantail. Lately, I've noticed...
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