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Tuesday 22 May 2018 at 20:10
I use a brush to clean my grinder teeth.
Now wetter/moister does cause sticking. But I don't get that with medical.
If you fill it too full it's going to stick and clog up the holes to the lower levels.
My pollen does build up on my plastic grinder way more than my metal grider.
Source: http://pinside.com/pinball/forum/topic/cannabis-club/page/27#post-4412015