Fastest Breeding / Feeder fish?

  • We are currently upgrading MFK. thanks! -neo
Is there any point in using a bigger tank for breeding? Say a 40 breeder?
More room is always appreciated, especially when dealing with large numbers of fish. It all depends on your availability of space. Right now I have about 150 guppy fry and roughly a dozen adults swimming in a 20 gal. So I'm always doing a water change but looking at another tank for the fry to grow out. So maybe 2 20's rather than a 40 if you have the space.
 
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