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Nope! New England Sports Center in MA. https://www.nes.com/

Popping in to quote myself five years later. Topic still kicking around. Awesome.

I can only speak anecdotally in terms of a heavy work load over an extended period of time (I use mine for maybe 4-10 passes per week). I have a rink near me with 8 ice surfaces that has had 4 original Sparx machines for years now (originally purchased to lighten the load on manual sharpening during tournaments held there). As well as a hockey retailer right down the road from this rink that has 4 machines running fairly constantly as well. All machines are home units, and not the commercial version. By all accounts, the machines have been virtually problem free. The only real maintenance done to them is vacuuming the machines out, and tray/filter checks/cleaning. Not one machine has had major issues, and these are getting far more use than anyone in their home setting. Like them, or hate them, I don't think anyone can really question the build quality and reliability of these machines. As far as opening it up to clean, if the machine is running fine, and you clean it regularly, I wouldn't bother or worry about getting inside it. The internals are fairly sealed and closed off. So to be honest, I wouldn't worry about it unless there is a need to open up the unit.

Read and read more. It’s an idea that has very little data behind it so there is more opinion than fact.

Brand new pair of mako 2 skates. Recent pick up. Love them