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My espresso machine was running slower and slower, but after one cycle with this concentrate, it's back to full pressure and the coffee tastes noticeably cleaner. The bottle lasted me through two full descaling cycles, which felt like great value.

I noticed a real difference in my coffee's taste after the first use—no more bitter or flat flavors. The concentrate dissolved the limescale quickly without needing multiple rinses.

Used this descaling concentrate for the first time—just a small amount per cycle and the limescale came off without any harsh chemical smell. My coffee’s back to tasting clean and fresh.