''What other sizes would fit on a 55gal 4ft stand?. I know a 75gal. would. Is there a bigger tank that would work? Um uh uh a standard 55 gallon tank is 55 Gal. 48L x 12½W x 21 H ma standard 75 gallon tank is 48L x 18W x 21H and in no way no how
support the tank properly-Anne