DeLonghi Esclusivo Magnifica ESAM3300 Espresso Machine My Magnificant machine is displaying Descale. Where i can buy some tablets to make a service and i need instruction.

Hello, you can buy descaling tablets at your local Starbucks. There is also a liquid descaling solution (small bottles) you can buy anywhere.

At the moment I'm using Jura brand descaling tablets I purchased at Starbucks. For instructions on how to descale (quite simple really), see here on p-17 at:

http://www.starbucksstore.com/images/products/pdf/DeLonghi_Magnifica.pdf

Hope this helps.