Best Deals Right Now

Hexeal Deionised Water Review: Reduce limescale and protect appliances

Hexeal Deionised Water 20L – 4 x 5L of Deionised Water for Steam Irons, Car Batteries, Windscreen Fluid & Antifreeze – Demineralised Water, Reduces Limescale Deposits & Water Stains – For Lab Use
4.8
[Limescale Prevention]  Stops limescale in irons and mops, extending appliance life in hard-water areas.
[Car Care & Screenwash]  Dilutes screenwash, reduces mineral deposits, and tops up batteries and cooling systems.
[Lab-Grade Purity]  Made using ion-exchange resin tech; conductivity typically below 1–5 µS/cm for reliable lab results.
[Streak-Free Window Cleaning]  Prevents watermarks and streaks on home and car windows for clearer visibility.
[Trusted British Brand]  Hexeal est. 2009—small UK company offering safe, high-quality products for home and industrial use.
Show More

Hexeal Deionised Water is a home-grade deionised solution aimed at reducing limescale on irons, improving windscreen clarity and supporting lab cleaning. Enjoy cleaner clothes, streak-free windows and fewer maintenance headaches. Is switching from tap water worth it for everyday topping up and cleaning?

⚡ At a Glance
  • Purity Level: Typically tested below 1-5 µS/cm, with an accept point of 20 μS/cm
  • Best for: Steam irons, steam mops, screenwash dilution, car battery topping and lab cleaning
  • Not ideal for: Applications that require mineral-rich or potable water

High-purity deionised water produced using Ion Exchange Resin Bed Technology. Suitable for domestic, commercial and laboratory cleaning where mineral-free water matters.


Limescale-free appliances - thanks to ion-exchange deionised water

Water is processed through an Ion Exchange Resin Bed Technology plant, producing very low-conductivity water typically below 1-5 µS/cm, with an accept point of 20 μS/cm. Low dissolved ion content means far fewer mineral deposits form during steam generation.

Reduced limescale prevents chalky marks on garments and keeps steam irons and steam mops performing closer to new. Less scale also means fewer descaling cycles and potentially longer appliance life.

Clearer windscreens and less residue - with low-mineral water for screenwash

Deionised water contains minimal dissolved minerals that normally leave streaks or white deposits when screenwash evaporates. The product notes it can be mixed with screenwash or diluted antifreeze to reduce build-up from standard washes.

Expect clearer visibility after cleaning and fewer stubborn mineral spots, which helps maintain a cleaner finish on windscreens and conservatories. Useful when topping up windscreen washer reservoirs or during detailing.

Consistent lab and cleaning results - thanks to known high purity levels

High-purity water is formulated for lab use and is useful for cleaning and sterilisation because the conductivity and ion content are known and tightly controlled. The stated test range gives confidence in repeatable performance for routine lab tasks.

More reliable test outcomes and contamination-free cleaning of lab equipment can be achieved, making the water suitable where reproducible purity matters. Sterilisation and rinse cycles benefit from low mineral residue.

✨ The 4 Key Reasons for Hexeal Deionised Water
  1. Reduces limescale - Prevents chalky marks, maintaining steam performance longer and reducing repairs
  2. Streak-free windscreens - Reduces mineral deposits for clearer visibility after cleaning
  3. Reliable lab use - Known purity supports consistent test results and cleaner equipment
  4. Car maintenance-friendly - Safe for topping batteries and diluting screenwash without residue
📋 Technical Details at a Glance
  • Category: Home
  • Brand: Hexeal
  • Volume: 20L (4 x 5L)
  • Pack contents: Four 5-litre containers
  • Purity / Conductivity: Typically less than 1-5 µS/cm, accept point 20 μS/cm
❓ Frequently Asked Questions

Q: Can Hexeal Deionised Water be used in steam irons and steam mops?

A: Yes. Replace tap water with deionised water in steam irons and steam mops to reduce limescale build-up and avoid chalky marks on clothing.

Q: Is it suitable for windscreen washer fluid or car cooling systems?

A: Yes. Deionised water can be added to screenwash or used to dilute antifreeze, and can be used for topping up car batteries and engine cooling systems to reduce mineral deposits.

Q: Can it be used for laboratory cleaning and tests?

A: Yes. The water is formulated using Ion Exchange Resin Bed Technology and is typically tested at less than 1-5 µS/cm, making it suitable for lab applications, cleaning and sterilisation.

🏆 Our Verdict

Hexeal Deionised Water is well suited to homeowners, car owners and labs that need mineral-free water for cleaning and topping up systems. High purity, achieved via Ion Exchange Resin Bed Technology, reduces limescale and mineral residues across appliances and glass. Long-term value comes from fewer maintenance tasks, clearer finishes and more consistent lab cleaning outcomes.