A buddy of mine is planning sell me either a brand new XP4 w/ new packaged Fluval media and carbon for $130 or a used xp3 completely filled w/ media for $50.
Which one should I choose? I plan to use these items towards a new 180 gallon tank in which I plan to transfer my already running xp3.
Which one should I choose? I plan to use these items towards a new 180 gallon tank in which I plan to transfer my already running xp3.

