Regular Member Miss Bad Wolf Posted August 1, 2021 Regular Member Share Posted August 1, 2021 I'm thinking of getting a different tank size for my goldfish. Right now I have a 20 high aquarium for two goldfish. Is that a good idea? I'm going to measure my available spot soon. First I need to relocate my 32 inch TV as that is where I'm going to put the new tank. 0 Quote Link to comment Share on other sites More sharing options...
Regular Member hannah Posted August 1, 2021 Regular Member Share Posted August 1, 2021 A 40B would be good for 2. 1 Quote Link to comment Share on other sites More sharing options...
Regular Member johann_pond Posted November 8, 2021 Regular Member Share Posted November 8, 2021 I have learned years ago (from the wonderful people on this site) you should have 20 gallons of water for the first, and 10 gallons for each additional Goldfish, also the more surface area the better. 1 Quote Link to comment Share on other sites More sharing options...
Regular Member spider man Posted November 9, 2021 Regular Member Share Posted November 9, 2021 I would recommend a minimum of 20 gallons for each fancy and 30 gallons for each common/comet/single tail as they grow quite large. A 40 gallon breeder would be ideal for two fancies to fully reach their potential 1 Quote Link to comment Share on other sites More sharing options...
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