help me pick out a uv filter for my fluval fx5

[Fitter17]

I have a 125 gallon tank that is fowlr tank. I want to get a uv filter because i hear it make the tank water that much better. please help me choose the best one ... and also explain how I should hook it up. i would greatly appreciate it. thanks.

[The Zigman]

Well, I would NOT reccomment the Turbo Twist...

Mine has blown 3 ballasts in about 16 months...

tired of fooling with it now.

[Miss my puffer]

I had a gamma ultra-violet and it was ok, but I had problems with the bulb housing flooding and gave up on it.