Pack of 20 phials to prevent Limescale build up and to improve steam emission, use Kalstop FP2003 - a Genuine Polti product

Kalstop FP2003 is an organic, biodegradable and non-toxic product that prevents limescale build-up and helps to protect the boiler. It also helps steam flow and keeps appliances running efficiently, as it keeps the steam passages clear, so helps to reduce energy consumption by permitting efficient operation of the equipment.

For models with traditional boilers - add one half phial of Kalstop FP2003 whenever you fill the boiler - depending on water hardness.

For continuous refill models - add one phial for 5 litres of water