Softener guides
Plain answers on San Jose water, hardness, testing and choosing a softener, from the water reports and the published standards.
Thinking about a softener? Send your ZIP code and the job, and an independent local pro can contact you about a quote.
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Whole-house water filter vs water softener: which does your home need?
Whole house water filter vs water softener for San Jose homes: what each one does, how to tell which you need, and how the two can share one main line.
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Water testing in San Jose: what to test, and how
Water testing San Jose homeowners can plan: start with your provider’s annual report, test your tap for what reaches you, and use a state-certified laboratory.
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How to choose a water softener for San Jose water
There is no single right water softener for San Jose. Here is how to choose: size it for your source’s hardness, check NSF/ANSI 44 and compare written quotes.