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Maintenance / Water hardness

UK water hardness checker

Know the water before you decide how aggressively to descale.

Enter a UK postcode to estimate local water hardness. Ventori uses the same lookup behind Care Schedule, then keeps the result separate from the machine’s own maintenance prompts and filter system.

We do not save your postcode as part of this lookup.

Local supply data can vary slightly between individual properties.

Hardness bands

What the result means for coffee-machine care.

Harder water generally increases scale risk, but the correct maintenance response still depends on the machine, active filter system and manufacturer programme.

0–99 mg/L CaCO₃

Soft

Lower scale pressure. Follow the machine prompt and do not descale simply because a generic calendar says so.

100–199 mg/L CaCO₃

Moderate

Scale management matters. Keep any fitted filter active and track the machine’s maintenance logic.

200–299 mg/L CaCO₃

Hard

Scale can accumulate faster. Filter condition, hardness settings and timely descaling become more important.

300+ mg/L CaCO₃

Very hard

Use the correct filtration or softening strategy for the machine and take its descale prompt seriously.

Why it matters

Hardness changes scale risk — not the definition of every maintenance job.

Calcium and magnesium can form limescale as water is heated. Over time that can affect flow and heating performance. But coffee oils, milk residue and scale are separate problems and should not be treated with the same product.

Descaler

Targets mineral deposits in the internal water path.

Coffee-system cleaner

Targets coffee oils and residue in a compatible cleaning programme.

Water filter / softener

Acts on incoming water before scale accumulates.

Machine prompt

Still takes priority when the manufacturer tracks maintenance internally.

Filter systems

The same hardness result can lead to different maintenance on different machines.

PHILIPS

AquaClean

Activation and timely replacement materially change Philips descale logic.

Open guide →DE’LONGHI

Water filters

Use the correct cartridge and machine setup for the exact model.

Open guide →JURA

CLARIS

Cartridge capacity depends on water hardness and filter generation.

Open guide →SIEMENS

INTENZA

Keep the hardness setting and active filter status accurate.

Open guide →SAGE

ClaroSwiss

Filter replacement sits alongside, not instead of, the machine’s descale programme.

Open guide →
VENTORI CARE SCHEDULE

Use the result with your exact machine.

Care Schedule combines machine, water and usage so the hardness result becomes useful rather than just another number.

Build my Care Schedule