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Learn about water treatment
Straight answers about hard water, water softeners and reverse osmosis in the Phoenix Valley, written by the Happy Tap team and sourced from public water reports.
Common questions
Water softener FAQ
How softeners work, salt, maintenance, sodium, sizing and more.
Read →Reverse osmosis FAQ
What RO removes, wastewater, minerals, filters and maintenance.
Read →Working with Happy Tap
The free water test, pricing, installation, warranty and financing.
Read →Comparisons
Water softener vs. water filter
They solve different problems. Here’s which one you need.
Read →Salt vs. salt-free softeners
What salt-free conditioners do, and what they don’t.
Read →Reverse osmosis vs. pitcher filter
How an under-sink RO system compares with a filter pitcher.
Read →Guides
Want answers about your own water?
A free in-home water test shows what’s coming out of your tap.