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Tank size


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  • Regular Member

I would at least move up to the 180 - like a Juwel Rio. It's all a balance. A smaller tank requires more frequent water changes, more filtration and gives you a small margin for error. At 180, you are still battling the odds with full grown fish.

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  • Regular Member

Well I would recommend you just go ahead and get a tank that will be big enough for them when they're full grown. It's cheaper in the long run and you won't have to worry about upgrading in the future!

For three fancy goldfish, we would recommend a tank around 45-55 gallons. Which equates to somewhere around 190-210 liters. Hope that helps! :-)

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  • Regular Member

The rule of thumb is: Twenty gallons for the first fish and each additional fish needs at least 15 gallons more. So, with your three fish that adds up to 50 gallons. Some fish can out grow this recommendation though but this is a good start.

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  • Regular Member

Hello all! Quick question , i was just wondering how many litres would i need to house 3 fancy goldfish , around the 2 1/2 size so pretty small? Thanks!

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And what do you plan to do with them six months later, when they are 5 inches long or more?

As Susanne said, you have to plan with adult sizes in mind, or else you are going to be terribly overstocked and potentially harming your fish in a very short amount of time.

The quick answer is 200-240L for the three of them. :)

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