Water hardness in Rétszilas
19.9 °dH very hard
Tap water in Rétszilas is very hard: 19.9 °dH (355 mg/L · 20.7 gpg · 35.5 °fH).
Source: NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) (2024) · data checked 2026-10-21
Rétszilas in Fejér county is listed at 355.2 mg/L as CaCO₃ in the 2024 NNGYK report, which is very hard. The report does not state the supply source. Water heaters and washing machines are the appliances most exposed to scale.
Hungarian suppliers report total hardness in German degrees (nk°) or mg/L CaO; the limit is 50–350 mg/L CaO.
Water data
| Total hardness | 19.9 °dH |
|---|
How Rétszilas compares
- Tap water in Rétszilas is 24 % harder than the median of the 3053 cities we track in Hungary (16.1 °dH).
- By hardness it ranks 845 of 3053 in Hungary (1 = hardest); 72 % of these cities have softer water.
- In Fejér it is number 69 of 144 cities; the regional median is 19.5 °dH.
- Nearest city with clearly softer water: Pusztaegres, 9 km away (7.1 °dH).
- Nearest city with clearly harder water: Dunaszentbenedek, 33 km away (35.5 °dH).
Ranking of the hardest and softest water in Hungary →
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 Rétszilas
| Brand | Setting for this water |
|---|---|
| Bosch | H05 |
| Miele | 20 °dH |
| AEG / Electrolux | 5 |
| Beko | 6th |
| Hoover | S3 |
| 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 Rétszilas water hard or soft?
It is very hard: 355 mg/L as CaCO₃ (20.7 gpg, 19.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Rétszilas safe to drink?
Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. Hungarian suppliers report total hardness in German degrees (nk°) or mg/L CaO; the limit is 50–350 mg/L CaO.
How many grains per gallon is Rétszilas water?
20.7 gpg, equal to 19.9 °dH, 35.5 °fH or 355 mg/L calcium carbonate.
What dishwasher salt setting should I use in Rétszilas?
For 355 mg/L (19.9 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Rétszilas?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) (2024). Method: figure published by the water supplier. NNGYK — Magyarországi települések ivóvízminősége (HUMVI 2024) · Outdated figure? Tell us