Helps make sick goldfish better All in one medicine Safe and effective A poorly goldfish is a sad sight to see. But if caught early enough, most diseases are easily treated. So thank goodness for Interpet Gold Disease Safe, an easy-to-use and effective treatment for goldfish illnesses. Use at the first sign of your fish behaving unusually or appearing to be unwell. Signs of disease are ragged or blood streaked fins, unusual swimming action or loss of balance, cotton wool-like growths, slimy white skin or fins, cloudy eyes, white spots, lying on the bottom of the tank, gasping at the surface of the water, clamped fins or loss of appetite.