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How to descale a toilet cistern

Why limescale builds up and how to keep a cistern clean.

What to look at first

The basics

Drop-in descaler blocks for the toilet cistern.

Key points

  • Set of 2 blocks
  • Drops into the cistern, no scrubbing
  • Supplier states each block lasts up to 5 years
  • Works in the cistern, not in the bowl

Specification

Details from the product page

  • Contents: 2 descaler blocks
  • Use: Placed in the toilet cistern
  • Stated duration: Up to 5 years (supplier information)
  • Weight: About 0.75 kg
Check the packaging

Always read the instructions and warnings supplied with the product.

Common questions

How do I use the blocks?

Lift the cistern lid and place a block inside the cistern. Follow the instructions in the box and keep the lid closed.

Will it last five years?

The supplier states a duration of up to 5 years. Real life results depend on your water hardness and how often you flush.

Is it safe for my toilet?

Follow the instructions and warnings on the pack. Do not mix with other cleaning products.


Ready to choose?

See the Toilet Cistern Descaler Blocks (Set of 2). Use code WELCOME10 for 10% off.