Can't Decide On Size For New tank Any Recommendations ?

[AdamR0331]

Hello I am currently stuck between 2 tank options right now the Innovative Marine 50 Lagoon on a Aps stand or a 60 Shallow Reef both are AIO Anyone here have either? im planning to get some larger fish like a small tang or butterfly fish and do a mixes reef I dropped the dimensions down below

Nuvo 50 Lagoon
29.14” Width: 18.75” Height: 16.14”

Nuvo 60 Aio SR
34.65” Width: 17.88” Height: 16.14”

if Anyone can give me advice that would be appreciated

 

[Jekyl]

Both will be small for a tang. The longer the better to provide as much swimming room as you can