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antibiotics water change
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  1. Betta Fish Diseases and Emergencies
    This my first post here, so greetings to all. My fish seem to have "holes in head" and as I have read, i should give him antibiotics, but I don't know what should I do in relation to water change. I have 2 small tanks , one is 1L (0.26 gal) and the other 2L (0.53 gal) . My question is, do I...
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