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If your tank is a 10 gallon (filled to the brim) tank, it will only have about 8 gallons of water in it under normal conditions. The maximum amount of Zebra Danios you should allow is 6 because the rule is 1 inch of fish needs a minimum of 1 gallon of water. You will also need a 24/7 running filter and the tank will also need to have at least 50% of its water replaced every week.

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15y ago

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