When I got my bike I had the same question. I decided to follow manufacturer recommendations, these seemed more logical.
Motoman web site is not very convincing -- there is a lot of talk but no real answers to questions plus there are no any comparison tests done in controlled environment. If anyone shows me comparison test done in controlled environment then I may change my mind. We need proof, not just talk. There is a lot of snake oil around, so be alert!
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