What is a water softener’s resin made of?

Inside your Harvey water softener there are millions of microscopic resin beads that trap the hard water mineralsYou can’t see them, but we promise they are there and they start working from the moment your water softener is installed.  

Water softener resin beads are made of a food grade synthetic plastic similar to polystyrene. They look a bit like brown sugar granules 

Water softener resin is not toxic, and the beads can’t escape from the water softener cylinder.  

Each resin is sodium charged, calcium and magnesium ions are attracted to the resin, sodium ions jump off the resin. This is ion exchange. This means that as the calcium and magnesium pass through the resin beads, they are attracted to the sodium ions from the beads. The minerals stick together on the resin beads. This is called ion exchange. 

All that exits the water softener is pure, softened water, while the minerals stay behind with the beads. Sodium from the softener salt is used to clean and regenerate the beads periodically, so they continue to attract hard water minerals effectively. 

The resin beads last a long time. You won’t need to replace thein the lifetime of any Harvey water softener model.  

If you’d like to understand more about how a water softener works then you’ll find plenty of information here.  

Harvey is the UK’s number one brand for water softeners. Your Harvey water softener simply connects to your home water supply, slots under the sink, and begins the softening process. You can book a no-obligation demonstration with one of our experts to learn more about our water softeners – get in touch today. Book now 

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