Nutribullet blender has thick gunk on the blades?
Whenever I blend something, something that looks like motor oil or some sort of thick and dark lubricant is apparent on the metal ring around the rubber part on the backside of the blades. I think this is because something is missing or a nut or bolt is loose and it sprays the stuff around then it spins. Does anyone know a fix to this?
Is this a good question?
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