How To Clean Your Kettle/water Urn

DO NOT USE on Kettles and Urns which have an EXPOSED HEATING ELEMENT.

Water that has a high content of calcium, limescale and iron oxide are referred to as ‘hard water’. Calcium, limescale and iron oxide are naturally occurring minerals in water. When water is heated, the mineral content leeches out and attaches itself to surfaces causing staining such as white marks or rusting. The regular use of CLR is an ideal solution to maintain a clean kettle or water urn, making sure that it is looking like new.

Get Started
Clean Your Kettle/water Urn

Before you get started, always use gloves and check if CLR is suitable to be applied on the material you are trying to clean. Test the CLR on an inconspicuous spot first before applying to entire surface.

Step 01

Check to see if Kettle or Urn contains an EXPOSED HEATING ELEMENT. If so, CLR Calcium, Limescale & Rust Remover is not suitable to be used.

Step 02

Ensure Kettle/Urn is unplugged and empty.

Step 03

Using a measuring cup, add 1 cup lukewarm water to 1 cup CLR Calcium, Limescale & Rust Remover into the kettle/Urn.

Step 04

Swish the mixture around in the kettle/Urn for 2 – 3 minutes, where possible, scrub surface with a brush or sponge.

Step 05

Empty solution from Kettle/Urn and rinse the kettle/Urn thoroughly with cold water. Repeat the rinsing process 2 – 3 times.


Stubborn build up and rust stains may require another cleaning with neat CLR. Repeat the process for no more than 2 minutes at a time, until CLR Calcium Limescale & Rust Remover has effectively dissolved the build-up.