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Free calculator

Water softener sizing and salt use calculator

Calculate resin volume, vessel size and monthly salt use from daily consumption and hardness.

Enter your values
Result

Results update instantly as you type.

Results are for preliminary sizing; the final design is based on water analysis and a site survey.

How it works

Hardness load per cycle = daily volume (m³) × hardness difference (°f) × regeneration interval (days), plus 10% margin. Resin volume assumes ~5 °f·m³ per litre of cation resin; salt use ~150 g per litre per regeneration.

  • 1 °f = 10 mg/L CaCO₃
  • 1 °dH = 1.79 °f

Frequently asked questions

01Rejenerasyon aralığını nasıl seçmeliyim?

Reçinenin 2–4 günde bir rejenere olacak şekilde boyutlandırılması hem tuz verimliliği hem de reçine hijyeni açısından idealdir. Çok uzun aralıklar (7 gün+) büyük tank ve durgun reçine anlamına gelir.

Recommended systems

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Water Softening

Water Softeners

Automatic softeners that prevent scale and save energy.

  • 0.5 – 100 m³/h
  • Cation ion-exchange resin
Details

Free site survey & water analysis

Let's choose the right treatment system together

We survey your site and analyse your raw water, then present the system that fits your needs and budget in a technical report.

  • Free on-site survey and raw water analysis
  • Design, installation and commissioning from one team
  • Scheduled maintenance and 24/7 technical support
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