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ammonia burns

  1. Swollen Gills: Ammonia Burn or Ich?

    Betta Fish Diseases and Emergencies
    I acquired two bettas (male, crowntail) this afternoon and am already absolutely in love with them :oops: However, I've noticed one of my bettas' gills are always flared out. Being new to bettas, I first thought it was because of low oxygen levels or it was part of his display as he was very...