Durgol - Universal Power Schnell-Entkalker - 750ml
Amazon.de: durgol Professional Entkalker Express (10 Liter)
Durgol Universal Descaler 750 ml / 0.75 L | Liquid Descaler for Coffee Machines | Dissolves Limescale Effectively and Quickly | Gentle on Materials and Food-Safe : Amazon.de: Health & Personal Care