A glass grinder can look clean on the outside while sticky residue and fine particles slowly build up around the teeth, lid, threads, and screen. That buildup can make turning harder, cause the lid to stick, and make a once smooth grinder feel frustrating to use. This guide explains how to clean a glass grinder carefully without rough treatment that can scratch, crack, or wear down the piece. You will learn how to empty it, loosen dry residue, brush the hard to reach areas, wash it safely when appropriate, dry it completely, and store it in a way that keeps future buildup under control. Written for adults using lawful tobacco or legal dry herb accessories, these steps focus on simple maintenance that helps a favorite grinder stay clean, reliable, and comfortable to handle.