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  • How are reviewers describing this item?
    great, easy, clean, little and perfect.
  • Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
  • Our engine has discovered that over 90% high quality reviews are present.
  • This product had a total of 731 reviews as of our last analysis date on Mar 14 2018.
Reviews Summary

Some of that is visibly bad rubber gaskets / seals, if older you get worn shaft bearings, but here's the big reason:they all say don't fill beyond (usually 2/3 or so of the cup volume), why, it's because protein powder releases gas / pressure, when blended with liquid

This forces a leak, if you don't have much air compression space in your blending cup, pressure builds real quick and it forces liquid

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