It is practically impossible to remove coffee shards and coffee shards from scratches inside the hopper except with Hoopy spray.
Simply clean metal and glass surfaces of water and food deposits with descaler.
Before your espresso machine is affected by deposits and clogging of the nozzle, by milk, lime, etc., use Liquido liquid as a washing liquid for the steam nozzle.
With the least amount of powder, you can make the dishes of cafes and restaurants shiny and clean like the first day.
Also use new calcium powders once. It will definitely have a dramatic effect on the parts and equipment buried in your sediments.
Grinder blades also become sluggish and unusable over time and lack of accurate and specialized cleaning.
Spend in specialized economics.