So I have a spotted green puffer with ich and I used the same pump to get water out of his tank as I used for all of my others. Now I found what I think is ich on one of my angelfish. Can ich be transferred through water changes using the same pump (that is still wet) and should I treat all of my other tanks?
Fish seller and breeder
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i think it can, just about anything can... bit like someone getting on a bus with a cold, they sneeze into their hands and then hold the hand rail, they get off the bus and you get on 2 stops later and touch that handrail and eat that choolate bar thats been in your bag... you now have a cold