Independent · free in 10 seconds

Find out what's in your water, free, in 10 seconds.

Find your address for an instant reading on your water hardness, and we'll connect you with the right local partner for it.

  • Instant hardness reading for your area
  • Matched with a vetted local partner, not a call centre
  • Free check, no obligation to follow up
142
units tested since 2021
38,000
postcodes checked
4★+
or we don't recommend it
Free · 10-second check

How hard is your water?

Start typing your address, select it from the list, then hit submit.

Find your address, then submit · No account · Totally free

Join 38,000+ UK homeowners who've already checked their water

Why trust us

Guidance you can act on.

We check every claim

We research the evidence behind hardness, limescale and filtration before we write a word.

Independent by rule

Guidance is based on named, credited sources, never set by a brand.

Built around your water

Start with your postcode and hardness level, and we'll point you to the guide that matters.

Limescale economics

The maths of limescale

Hard water quietly costs you £200+ a year

Scale shortens the life of boilers, kettles and washing machines, and makes every heating element work harder. In a hard-water area a softener typically pays for itself within three to five years.

  • Up to 30% more efficient heating elements
  • Fewer descaling chemicals and callouts
  • Softer skin, brighter laundry, spotless glassware
Read the limescale guide

Our promise

Editorial you can hold us to

Our guides are written to help you understand your water, not to sell you anything.

  • We write from named, independent sources.
  • Every source behind a claim is credited and linked.
  • Guidance is based on evidence, never set by a brand.
  • We disclose every commercial relationship.