Post a few pics of fish and tank. Tell us tank size, tankmates, water parameters (ammonia, nitrites, nitrates), and describe the symptoms. +1 for ick. Also let us know if anything strange is going on. Like white fuzzy stuff growing on tank, huge algae bloom, any missing scales/torn fins? Or specks growing on fish. Do u have salt in the tank? I ask this because salt is commonly misunderstood as an all around cure for disease and some inexperienced hobbyists may just dump a carton of salt in turning the tank brackishwater and killing everything. What filter do u have? Any sharp pointy decorations in tank? Have you recently introduced any fish? Do you have a quarantine tank? I need more information to even comprehend what your saying. This is the equivalent of walking up to a random person and asking what their favorite color is. Or asking what car did I just buy? Without saying anything.
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