minimum size

  • We are currently upgrading MFK. thanks! -neo
The rule of thumb is 1 adult discus per 10 gallons of water. Discus are shoaling fish and do best in groups of 5 or more. So the minimum size tank for adult discus would be a 50 gallon aquarium. The bigger the tank, they better off your fish will be.
 
brian.klean;4036115; said:
is an 18in tank deep enough for discus?

probably:)
 
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