Water Hardness Atlas ZIP / postcode

Water hardness in Fierbinții de Sus

9.3 °dH hard

Tap water in Fierbinții de Sus is hard: 9.3 °dH (166 mg/L · 9.7 gpg · 16.6 °fH).

<6060–120120–180>180 mg/L

Source: RAJA S.A. Constanța, Indicatori fizico-chimici ai apei potabile (OG 7/2023), valori medii 2026 (2026) · data checked 2026-10-29

RAJA S.A. Constanța lists Fierbinți (Ialomița county) in its 2026 table of average values (Ordonanța 7/2023) at 9.31 °dH, and we assign it to Fierbinții de Sus. This is among the softer results in the table. The table gives one value and no range.

Romanian operators report "duritate totală" in German degrees (grade germane); the minimum is 5 °dH.

Water data

Total hardness9.3 °dH
UtilityRAJA S.A. Constanța

How Fierbinții de Sus compares

Ranking of the hardest and softest water in Romania →

What it means at home

How much salt will you use for softening?

Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.

Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Fierbinții de Sus

BrandSetting for this water
BoschH02
Miele9 °dH
AEG / Electrolux2
Beko3rd
HooverS1
LGH2

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 Fierbinții de Sus water hard or soft?

It is hard: 166 mg/L as CaCO₃ (9.7 gpg, 9.3 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Fierbinții de Sus safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Romanian operators report "duritate totală" in German degrees (grade germane); the minimum is 5 °dH.

How many grains per gallon is Fierbinții de Sus water?

9.7 gpg, equal to 9.3 °dH, 16.6 °fH or 166 mg/L calcium carbonate.

What dishwasher salt setting should I use in Fierbinții de Sus?

For 166 mg/L (9.3 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Fierbinții de Sus?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: RAJA S.A. Constanța, Indicatori fizico-chimici ai apei potabile (OG 7/2023), valori medii 2026 (2026). Method: figure published by the water supplier. RAJA S.A. Constanța, Indicatori fizico-chimici ai apei potabile (OG 7/2023), valori medii 2026 · Outdated figure? Tell us

Nearby cities

Dridu11 °dHMoviliţa14.8 °dHCorbeanca3 °dHBuftea13 °dHCojasca14.4 °dHOlteni14.8 °dH
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