# Water Treatment Glossary | Lucia Water Solutions
> Plain language definitions for PFAS, hard water, reverse osmosis, TDS and more, from Lucia Water Solutions in NY and NJ.
Canonical page: https://luciawatersolution.com/water-glossary

# Understand your water, term by term

Plain language definitions for the words you'll hear during testing, treatment and installation.

- [Book Your Free Water Test](https://luciawatersolution.com/free-water-test)
- [Call 845-879-2900](tel:+18458792900)
- 27 terms explained
- Bilingual glossary
- No jargon

## What do water treatment terms like hard water and reverse osmosis actually mean?

They describe specific, measurable things about your water, and understanding them helps you make sense of your test results. Below you'll find plain language definitions for the terms Lucia Water Solutions uses most often.

Terms are listed alphabetically so you can jump straight to the word you heard.

If a term still isn't clear, ask about it during your free water test; explaining your results is part of the visit.

## Related pages

- [Free water testing](https://luciawatersolution.com/services/free-water-testing)
- [FAQ](https://luciawatersolution.com/faq)
- [Warranty information](https://luciawatersolution.com/warranty)
- [Our services](https://luciawatersolution.com/services)

## Ready to see your results?

Book a free water test and get a plain language explanation of exactly what's in your water.

- [Book Your Free Water Test](https://luciawatersolution.com/free-water-test)
- 100% free testing
- No obligation
- Bilingual service

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