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The Goldfish Tank
  • Care
  • Tanks
  • Equipment
  • Food
  • Water
  • Types
  • Health
  • Facts
  • Plants
  • Ponds

water quality

Ammonia poisoning in goldfish: A deadly problem!

2021-11-082020-12-28 by Sara Jane Hales
A goldfish with black patches showing signs of ammonia burn

What is ammonia? Why is it bad? And what you can do about it.

Categories Tank Tags ammonia, water, water quality Leave a comment

Goldfish water parameters: pH, water hardness and more

2021-07-122016-02-21 by Adam Jones
Cartoon of a goldfish wearing a mask to protect itself from a bad smell

The wrong water conditions could really harm your fish.

Categories Tank Tags water quality Leave a comment

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Latest Comments

  1. Lewis German on How do goldfish mate? And how to make goldfish mate in a tank2022-07-01

    Hi Heather, thanks for your comment, Sometimes this does happen and a goldfish can be what is called "egg bound"…

  2. Lewis German on Goldfish Ponds: Keeping goldfish in a pond guide2022-06-30

    We recommend that you add a chemical dechlorinator to tap water, as they remove harmful contents other than just chlorine…

  3. Lewis German on Goldfish Care: An Introduction to Caring for Goldfish2022-06-30

    Hi Penny, thanks for your comment, An important thing to remember when you are new is not to overcomplicate things…

  4. Penny Cole on Goldfish Care: An Introduction to Caring for Goldfish2022-06-29

    What should I do? I am new to keeping goldfish. I have a 37 gallon tank and I started cycling…

  5. Lewis German on Oranda Goldfish: All you need to know2022-06-23

    Hi Boni, thanks for your comment, Its interesting to hear about the behaviour of your goldfish, Sadly the overgrowth of…

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