Hi i have a 60g tank with about 15 fish composed of livebearers a german blue ram and a few cardinal tetras, one of my white guppies is starting to have a white backtail my question is why? Side note: Ammonia is 0 nitrites is 0 and nitrates i believe is higher which i need to take care of but i cant because im currently replacing my water changer and my tank is starting to look cloudy which it hasnt since the 4 months ago since i started the nitrogen cycle please help identify whats wrong with my guppy, thanks. (White tip on him in photo)
