nano skimmer for biocube 29g

Have anyone here has any experience with the AquaticLife Internal Mini Protein Skimmer 115?

http://www.marinedepot.com/AquaticLife_Internal_Mini_Protein_Skimmer_115_In_Sump_Venturi_Protein_Skimmers-AquaticLife-AK01114-FIPSISVS-vi.html

Right now I have an airstone skimmer and thinking of ditching it and get the real thing as I plan to keep more SPS in the tank. I've also been looking at the AquaC Nano Remora and the Tunze DOC 9002 skimmer as well but the AquaticLife one seems a bit in my price range right now. Should I even spend money on it or save them for the Remora or Tunze?
 
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