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water cycles

  1. amateur mistake...

    Beginner Freshwater Aquarium
    SO, I have a 29 gallon freshwater tank, artificial plants, gravel substrate. I had a school of 6 tiger barbs, a yellow molly and a silver molly, and a few ghost shrimp. I did a 25% water change, then reached into the tank with the WRONG cleaning brush to knock some algae off of a rock. :oops...
  2. Dying Fish...

    Beginner Freshwater Aquarium
    I have a month old aquarium, so I guess you could say it is still a "new" tank. It's a three gallon tank. I originally tried to start off with some easy fish because I am new to the fishkeeping hobby. I got two glofish and a dalmation molly. The molly had babies, but I got rid of all of them as...
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