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Kaida Hara asked in PetsFish · 5 years ago

Can I add more fish to my tank?

Three weeks ago I set up a 20 gal long and just yesterday my tests confirmed that the water was fully cycled. It also is a heavily planted tank by the way. I added 5 neon tetras yesterday from my local fish store and they are doing great and are just schooling around like you would expect them to. I also currently have six guppies I really want to add to the tank. They are in one of my smaller tanks but I really want to get them out of there asap. I was wondering if you think my fish would be fine adding another six new fish to the tank. I do have a filter for a 30 gal on the tank and there is a lot of plants to help with filtration so i'm hoping the bacteria will be able to handle the new load of fish. Any comments?

4 Answers

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  • Anonymous
    5 years ago

    aqadvisor.com would be a good link to answer this question. Just put in your tank dimensions, filter, and your fish options.

    YOU WANT TO KEEP THE LEVELS AT UNDER 80% to give yourself some room for error (missing a water change, accidentally over feeding, dead fish, etc.)

    And if you can put the guppies in, add them only a few at a time, like 3 one week and 4 the next, to help the bio load keep up :)

  • ?
    Lv 7
    5 years ago

    I would wait another week for the bacteria to populate a little more now that there are fish.

    That said, a 20 gallon long can easily support both species.

    In fact, I suggest adding 3 more neons in a couple weeks. 8 neon tetras and 6 guppies would be a great stock for your tank.

  • 5 years ago

    Use your best judgement to tell if the fish are comfortable, or if the tank is too crowded.

  • 5 years ago

    No you hill billy redneck

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