fizzypopz

I want to get a bigger tank from my 4 foot 30 gallon tank to a somthing like a Juwel Trigon 190,but i don'nt no if ther's any point it only has 12 more gallons.I dont have any more space for anything bigger than 4 foot Tank.
Any Tank recommendation's ?

4 mediam angel,s 1 adult
6 male guppies
2 honey gourami
1 pearl gorami
2 blue Ram's and
2 small red crab's

Dino

The standard footprint, width x length, of a 75 gallon tank is 48 inches by 18 inches( 4 feet by a foot and a half).