Highly effective concentrated acidic agent. Removes deposits of water hardness salts. Suitable for work with kitchen equipment, boilers, as well as with stone floors and tiles, an indispensable tool for post-construction cleaning. Essential to maintain the functionality of equipment such as professional dishwashers and washing machines. Easily cleans the surface from traces of cement, concrete and other stubborn dirt. Dosage: 5-25 ml / 1 liter of water or 0.5-2.5% solution. PH value: 2. Volume - 10 liters.