Should I buy a rena xp2 or xp3 for a 55 gallon saltwater tank?

by matt
(pittsburgh)

I`ve heard that over sizing is the best bet,but by how much? I would rather spend the extra money on the xp3 if it will mean healthier fish and a cleaner tank.thanks!

A: Please contact the company that you are considering purchasing the item from. As an alternative you can contact the manufacturer directly at http://www.marsfishcare.com.

PS: I do know that Frog Pond Aquatics is running a 25% discount promotion on this item plus free shipping. Contact them at OurPad@FrogPondAquatics.com for more information and to get the code.