What are the dimensions of a twenty gallon tank?
The dimensions of a twenty gallon tank varies by shape. Examples, Per aquanswers.com, a 20 Gallon Tall is 24.25 x 12.5 x 16.75 inches; a 20 Gallon Long is 30.25 x 12.5 x 12.75 inches; a 20 Gallon Extra Tall is 20.25 x 10.5 x 23.75 inches
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