Minimum tank size requirement for fish

[hgren]

Quite the opposite in my experience. The bigger the tank the lower the maintenance because it’s easier to catch problems before they get serious. Serious problems means serious expense.

The start up cost of large tanks is the only thing that’s more expensive. A 29 gallon is the smallest I would ever consider running again. A 50 is the smallest I would be happy with long term.

As long as total volume of water is same; display tank being small and refugium being big. Maintenance should be same or less trouble