As long as the filter will move the entire volume of water in the tank it will be good enough. You could put a filter rated 2x's the size of the tank or 10x's the size of the tank, it will still only grow enough bacteria to handle the current bio-load of the tank and no more.20 oct 2015
What size filter do you need for a 30 gallon tank?
Size (Flow Rate) So, a 30 gallon canister filter, for a 30 gallon tank, should be able to process at least 90 gallons per hour.1 sept 2021
What size tank should you use a canister filter?
Aquarium Size: Recommended Filter Flow Rate:
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125-gallon or larger tank no less than 625 GPH
100 or 90 gallon tank at least 450 to 500 GPH
75-gallon tank a minimum of 375 GPH
65-gallon tank at least 320 to 400 GPH
How many fish can I put in a 30 gallon tank?
The general rule of thumb, when stocking any aquarium, is to allow one gallon of water for each inch of fish. Therefore, in a 30 gallon tank you have enough room for 30 inches of fish. For example, you have enough room in your 30 gallon tank if you stock it with 15 two-inch neon tetras.
How much does a 30 gallon tank cost?
Here is an overview of how much a 30 gallon aquarium can cost: custom built – a custom built 30 gallon aquarium made with glass will typically cost at least $90 with standard dimensions. prebuilt (acrylic) – acrylic is more expensive than glass and a 30 gallon aquarium built with acrylic could cost at least $120.