Not sure why, but the Cobalt EXT filter is on sale at Amazon for a very low price – $78,with free shipping. Usually don't see this for less than $100. For comparison, kensfish.com is selling them for $102.95.
After some discussion with Matt Chambers about this item, I figured I'd give it a review.
This was one of the items generously donated by Cobalt that served as one of the awards for the Aquarium Beautiful contest at this year's AquaMania. I ended up taking it home and as much of a naysayer I...