Hi everyone, i was away this weekend and my black ghost knife fish is acting very strange and im worried about it. She has a rip in her fins and she is swimming very strange. I have her in a 55 gallon tank but this is temperarly as i will be upgrading to a 180 gallon very soon. Shes 4 in. I think she may have ammonia poison. If so, how do i solve it! Please i need help