Use to: Removes coffee oils and grind particles from burrs and casings without disassembling the grinder. DO NOT use with integrated grinders in super automatic machines (use SuperGrindz for this application) Features: Made from biodegradable ingredients that are derived from natural sources. Does not contain phosphates. All ingredients are food safe. 430 g jar. You can actually eat the grinder tablets without getting sick, but trust us, they don't taste very good. Dosage: For espresso grinders, use 35 g (1 capful) of Grinder Cleaning Tablets For bulk grinders, use 70 g (2 capfuls) of Grinder Cleaning Tablets Cleaning Instructions:Grinders Step 1: Empty all coffee from grinder and add Biocaf Coffee Grinder Cleaning Tablets to hopper. Step 2: Adjust grinder to medium setting and operate. Step 3: To purge residual dust from the tablets, repeat above process twice with coffee. Repeat if desired. Ingredients: Biocaf Coffee Grinder Cleaning Tablets are made from a proprietary mixture of cereals and grains with food grade binders. Every ingredient is edible and either used to bake bread, prepare your favorite breakfast cereal, or in the case of the food-safe binder a key ingredient in toothpaste.