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The particulate analysis section completely changed how I think about grind size — I finally understand why my brews were inconsistent. The way they tie water chemistry to extraction made me immediately tweak my recipe, and the difference in the cup was obvious.

The particulate analysis section completely changed how I dial in my grind size—I finally understand why the same recipe tastes different day to day. The water chemistry part alone was worth the price, and I've already brewed cleaner, sweeter cups.

The particulate analysis section totally changed how I dial in my brews—understanding grind size distribution explained so many frustrating inconsistencies. The water chemistry module was dense but worth the effort, my pour-overs taste noticeably cleaner and sweeter now. If you're past the basics an