Water hardness in Krásné Údolí
2.5 mmol/L very hard
Tap water in Krásné Údolí is very hard: 2.5 mmol/L (250 mg/L · 14.6 gpg · 14 °dH).
Source: ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody (2026) · data checked 2026-10-21
ČEVAK a.s. reports 250.2 mg/L CaCO₃ for Krásné Údolí in Plzeň region, which is very hard. We could not verify the specific source or geology for this village, so we do not name one. Limescale will build up on heating elements and taps, and a softener or descaling routine is worth considering.
Czech suppliers report "Vápník a hořčík" in mmol/L; the recommended range is 2–3.5 mmol/L.
Water data
| Total hardness | 2.5 mmol/L |
|---|---|
| Calcium (mg/L) | 58.9 |
| Magnesium (mg/L) | 25.1 |
| Utility | ČEVAK a.s. |
How Krásné Údolí compares
- Tap water in Krásné Údolí is 108 % harder than the median of the 1516 cities we track in Czechia (1.2 mmol/L).
- By hardness it ranks 283 of 1516 in Czechia (1 = hardest); 81 % of these cities have softer water.
- In Plzeňský kraj it is number 6 of 75 cities; the regional median is 1.64 mmol/L.
- Nearest city with clearly softer water: Černošín, 2 km away (1.33 mmol/L).
- Nearest city with clearly harder water: Chotěšov, 27 km away (4.4 mmol/L).
Ranking of the hardest and softest water in Czechia →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
How much salt will you use for softening?
Yes. At this hardness a softener pays for itself through appliance life and detergent.
Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Krásné Údolí
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 14 °dH |
| AEG / Electrolux | 3 |
| Beko | 4th |
| Hoover | S2 |
| LG | H3 |
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 Krásné Údolí water hard or soft?
It is very hard: 250 mg/L as CaCO₃ (14.6 gpg, 14 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Krásné Údolí 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 Krásné Údolí water?
14.6 gpg, equal to 14 °dH, 25 °fH or 250 mg/L calcium carbonate.
What dishwasher salt setting should I use in Krásné Údolí?
For 250 mg/L (14 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Krásné Údolí?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody (2026). Method: figure published by the water supplier. ČEVAK a.s. (Veolia), Moje obec – kvalita pitné vody · Outdated figure? Tell us