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Results 1 to 6 of 6
  1. #1

    Join Date
    Aug 2017
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    Default A queation about WC


    1 Not allowed!
    Hi ,So theres a 400 L tank with 23 goldfish:3 are about 25 cm, 4 are about 15 cm and the rest are less then 10 cm. I want to hear your opinions on the WC scheduale reccomended, is 25% once a week is too much? please share your opinions, thank you!

  2. #2

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    3 Not allowed!
    That is not too much. In fact it is almost impossible to change too much water as long as you do not change too much at once.

    Goldfish produce a lot of waste and i would personally do 25% 2 times a week or even more often.
    Do as I say. Not as I do.

  3. #3

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    Default


    0 Not allowed!
    Ok so your saying for this tank the reccomended WC is twice a week right?

  4. #4

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    4 Not allowed!
    get a liquid test and measure the nitrates. Once you hit 20ppm, do a 50% water change, minimum.

  5. #5

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    Default


    2 Not allowed!
    On that size tank, with that many goldfish I'd go to 50% to 60% water changes. If you keep track of the nitrates the test will tell you when you have to WC. Goldfish do really well with lots of water changes, it all depends on how often your willing to do WC's

  6. #6

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    Default


    1 Not allowed!
    I recommended 2 25% wc but one 50-60% will also work. You just need to make extra sure to match the water and water temp.
    Do as I say. Not as I do.

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