Best top off system?

[ponokareefer]

Originally Posted by lastlight

just unscrew the back if i recall correctly that exposes everything...

What did you use to clean it?

And sorry if it appears that I am derailing the thread. I thought about starting a new one, but since most people are raving about Tunze's, I thought I'd point out that I am having issues with mine. It may just be a quick fix though. Up to this issue, both of mine have worked flawlessly.