I just picked up a 125gal and have 2 penguin 350 from a tank i sold. Well I am looking to add a canister filter as well. I am looking for everyone's suggestion so please the more the merrier! You don't have to go into details just pick between option 1 or 2. If you would like to leave pros and cons on each, that would also be very much appreciated. Thanks, Joe
Option 1. Fluval 405
OR
Option 2. Rena XP3
Option 1. Fluval 405
OR
Option 2. Rena XP3
