The world fights with security over descaler. But I guess when you have such a free high-tech buys machine, twice as much money on coffee beans outputs as with "normal" coffee then you should not necessarily save on maintenance and care. Moreover, Saeco used not as usual, and many other citric acid, but here comes lactic acid for use. Whether it is now Compatible or not, but in case of warranty I do not accuse me be wrong descaling agent to have used. Evidence can be today everything to light ...