Water hardness in Šibenik
250 mg/L very hard
Tap water in Šibenik is very hard: 250 mg/L (14.6 gpg · 14 °dH · 25 °fH).
Source: Vodovod i odvodnja d.o.o. Šibenik, Kvaliteta vode (web page) (2026) · data checked 2026-10-22
Range across supply zones: 214–286 mg/L.
Vodovod i odvodnja Šibenik states that hardness runs from 12 to 16 °dH across its supply, described as moderately hard. The sources named are Jaruga, Miljacka, Torak, Jandrići and Kovča, but the range is not split by source or street. The page has no data date, and the monthly analysis PDFs we checked do not print hardness.
Croatian suppliers report total hardness in mg/L CaCO₃ or °dH.
Water data
| Total hardness | 250 mg/L |
|---|---|
| Utility | Vodovod i odvodnja d.o.o. Šibenik |
How Šibenik compares
- Tap water in Šibenik is 26 % softer than the median of the 13 cities we track in Croatia (339 mg/L).
- By hardness it ranks 10 of 13 in Croatia (1 = hardest); 25 % of these cities have softer water.
- Nearest city with clearly harder water: Trogir, 38 km away (358 mg/L).
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 Šibenik
| 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 Šibenik 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 Šibenik safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Croatian suppliers report total hardness in mg/L CaCO₃ or °dH.
How many grains per gallon is Šibenik water?
14.6 gpg, equal to 14 °dH, 25 °fH or 250 mg/L calcium carbonate.
What dishwasher salt setting should I use in Šibenik?
For 250 mg/L (14 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Šibenik?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: Vodovod i odvodnja d.o.o. Šibenik, Kvaliteta vode (web page) (2026). Method: computed from supplier's calcium and magnesium. Vodovod i odvodnja d.o.o. Šibenik, Kvaliteta vode (web page) · Outdated figure? Tell us