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USTM-PURON Ion Exchange Resin 25 l

Food-grade USTM-PURON cation exchange resin, 25 l (20.5 kg) bag. Replacement media for water softeners that remove calcium and magnesium.

  • Removes water hardness (calcium and magnesium)
  • Food grade, suitable for drinking water
  • Service life up to approx. 8 years
  • Regenerated with tablet salt (NaCl)
Delivery to:
04/11/2026
Delivery options
In stock (4 pcs)
Code: 560
Brand: H2O nanotec
€109 €90 excl. VAT Measure price:
Category: Water softeners
Warranty: 1 year

Replacement media for water softeners

USTM-PURON cation resin works by ion exchange. It captures calcium (Ca²⁺) and magnesium (Mg²⁺) ions, which cause water hardness, and replaces them with sodium (Na⁺) ions, protecting appliances and pipework against limescale.

It is used as replacement media in cation (brine) softeners such as the IMT-S2 and IMT-S4 and is compatible with most common softening systems. It is regenerated with high-purity tablet salt.

 

Applications

Domestic water softeners, the food and beverage industry, catering and process water treatment.

 

Specifications
Type cation exchange resin
Pack 25 l / 20.5 kg (bag)
Quality food grade
Regeneration NaCl tablet salt
Service life up to approx. 8 years (depending on inlet water quality)

 

FAQ
Everything you need to know

When should the resin be replaced?

When the softening performance drops, usually after about 8 years, depending on inlet water quality. We will gladly advise you on replacement.

Didn't find your answer? Ask us directly — we answer Mon–Thu 8 am–4 pm, Fri 8 am–2 pm (CET).

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