Is it okay to put goldfish in a tank without a filter but 75

Your First Goldfish Tank: Which Is the Better Option?

I'm medicating a fish in a hospital tank. The tank has an air pump with 2 air stones for extra aeration and a heater but no filter (I use the display tank

Can I buy a goldfish the same day I get the tank, and could I put the fish in a container until the tank cycles? - Quora

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Is it okay to put goldfish in a tank without a filter but 75% water change every week? I will also keep the air pump running. - Quora

How long can a goldfish live in unfiltered water? - Quora

How come my fish tank pump works but won't suck up water to filter? - Quora

What Size Tank for Goldfish? - INJAF

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How to keep my fish in the aquarium without a filter? How many days - Quora

Do Cory Catfish require an air pump/air stone? - Quora

If you need 1000-1500 gph (filter filtration) in your aquarium, which pump do you need it's like 2-3x Fluval FX6? - Quora