Water Hardness Atlas ZIP / postcode

Water hardness in Chvalšiny

0.43 mmol/L soft

Tap water in Chvalšiny is soft: 0.43 mmol/L (43 mg/L · 2.5 gpg · 2.4 °dH).

<6060–120120–180>180 mg/L

Source: ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody (2024) · data checked 2026-10-21

Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.

Water data

Total hardness0.43 mmol/L
Calcium (mg/L)10
Magnesium (mg/L)4.3
UtilityČEVAK a.s.

How Chvalšiny compares

Ranking of the hardest and softest water in Czechia →

What it means at home

How much salt will you use for softening?

No. Water this soft does not need softening.

Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Chvalšiny

BrandSetting for this water
BoschH00
Miele2 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is Chvalšiny water hard or soft?

It is soft: 43 mg/L as CaCO₃ (2.5 gpg, 2.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Chvalšiny safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.

How many grains per gallon is Chvalšiny water?

2.5 gpg, equal to 2.4 °dH, 4.3 °fH or 43 mg/L calcium carbonate.

What dishwasher salt setting should I use in Chvalšiny?

For 43 mg/L (2.4 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Chvalšiny?

No. With soft water a softener adds nothing.

Source

Source: ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody (2024). Method: figure published by the water supplier. ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody · Outdated figure? Tell us

Nearby cities

Lhotka0.65 mmol/LLoučej0.65 mmol/LKrasetín0.81 mmol/LČeský Krumlov1.37 mmol/LHolubov0.55 mmol/LKřemže0.45 mmol/L
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