Education

Porsche being washed with a Spot Free Rinse DI tank
car detailing

Can You Use DI Water on Ceramic Coated Cars?

Yes — deionised water is ideal for washing and rinsing ceramic-coated cars. At 0 ppm...
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Mixed-bed DI resin beads
deionised water

How Long Does DI Resin Last? (And How to Know When to Replace It)

DI resin life depends on your water's incoming TDS and how much water you process....
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Spot Free Rinse DI water purification tank
car wash

What TDS Level Do You Need for a Spot-Free Car Wash?

For a guaranteed spot-free result, you need water with a TDS (Total Dissolved Solids) reading...
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Spot Free Rinse DI tank with a Mercedes AMG GT
Australia

DI Water vs RO vs Water Softener vs Distilled: Which System Actually Stops Water Spots?

If you are researching ways to stop water spots on your car, windows, or solar...
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Water beading on a car after washing
Australia

Australian Tap Water Quality by City: What It Means for Car Washing and Cleaning

Australian tap water TDS ranges from 27 ppm near Cairns to over 400 ppm in...
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Spot Free Rinse DI tank next to a 4WD vehicle
Australia

Best DI Water Systems for Car Washing in Australia (2026 Buyer's Guide)

The best DI water system for car washing in Australia depends on your water hardness,...
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Solar panels on a roof ready for spot-free cleaning
Australia

How to Clean Solar Panels Without Streaks or Residue

The best way to clean solar panels without streaks or residue is to use deionised...
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Spot Free Rinse DI water purification tank
car washing

What Is Deionised Water and How Does It Work for Car Washing?

Deionised (DI) water has all dissolved minerals removed via ion exchange resin, so it dries...
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