The maximum amount of coffee residue found in the Niche Zero grinder after cleaning was less than one gram (0.8 grams).
This video reviews the Niche Zero espresso grinder, highlighting its features, performance, and ease of use. The reviewer shares their experience using the grinder with various espresso machines and discusses its advantages and disadvantages.
The Niche Zero grinder was tested alongside the Rocket Appartamento, Profitec Pro 600, and a modified De'Longhi EC685. The reviewer also mentions using it at the Swiss Coffee Festival, where it was used with other espresso machines, but these are not specifically named.
During espresso testing, the extraction times were consistently around 24-25 seconds, with TDS values between 74 and 75.