ro water= no more diatoms on the sand ?

[Quagmire]

Originally Posted by Jaws

I've been strongly leaning towards this unit off ebay. Is anyone using this unit? How do you like it? What are the advantages or disadvantages? It's a pretty good price I thought.

If the bids get to high you can get the same unit from Aquariacanada for $150.
BTW I'm also using a TWP for my 30g,and have had no problems.But I was looking at this same unit because I'm upgrading tank size.