Reef Octopus Protein Skimmer

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How is the Reef Octopus protein skimmer?

I have a 57 gallon tank.

It has a 4" pinwheel

Does up to 100 gallons.

Here is a link for all the specs

http://www.tbaquatics.com/reef-octopus-4-pinwheel-skimmer-nwb110-1199.html

Let me know

Thanks