Maxiliano Descaling Kit Compatible with K-cup 2.0 Keurig Brewers , Biodegradable, Non Toxic, No After Taste. Descaling and Stain removing KIT 2 in 1 Citric acid based solution for descaling / Safe use tablets, no liquid acid. Effectively removes limescale and extend life of your Keurig Descaler solution for all k-cup type Keurig brewers include 2.0 New formula kill 99% bacteria, yeast and mold.