The Senseo had to be entkalt, at least the corresponding lamp has suggested to the machine it. So, there is no friend of technical experiments, immediately Originlaprodukt of Senseo ordered, decalcified the machine (why is a mystery, in my hometown, the water is almost 100% free of lime) looked at and then the ingredients. Yes, that makes you actually before and I would have done it earlier, I would have bought normal citric acid for a few cents, dissolved in water and pulled through the procedure so. More than citric acid it is not there in the product. Conclusion: for the content simply overpriced. 2 stars, because it worked.