Water Guides

The Southern California Home Water Guide

Straight, no-nonsense answers about the water coming into your home — hardness, chloramine, PFAS, well water, and how to fix it all.

Water Quality

Is San Diego tap water safe to drink?

San Diego tap water meets legal safety standards, but it's hard, chloramine-treated, and can carry trace contaminants. Here's what's really in it and whether you should filter.

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Water Quality

Chlorine vs. chloramine: what's the difference?

Many Southern California utilities use chloramine instead of chlorine. Here's the difference, how it affects your water, and how to remove it at home.

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Hard Water

Why is Southern California water so hard — and how to fix it?

Southern California has some of the hardest water in the country. Here's what causes it, what it does to your home, and how to fix hard water for good.

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Hard Water

7 signs you have hard water at home

Spotty dishes, soap scum, dry skin, scale on fixtures — these are classic signs of hard water. Here's how to spot it and what to do about it.

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Contaminants

What is PFAS and how do you remove it from your water?

PFAS 'forever chemicals' have been found in water supplies nationwide. Here's what they are, why they matter, and how reverse osmosis removes them at home.

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Well Water

Well water treatment: what you need to know

Homes on well water in Fallbrook, Ramona, Valley Center, and rural Riverside County face unique challenges. Here's how to test and treat well water properly.

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Buying Guide

Reverse osmosis vs. water softener: which do you need?

Reverse osmosis and water softeners solve different problems. Here's the difference, and how to know whether you need one, the other, or both.

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Buying Guide

How much does a home water filtration system cost?

Home water filtration typically runs $25–$75/month with financing (subject to credit approval), or can be bought outright. Here's what drives the cost and what's included.

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Stop guessing about your water

A free in-home water test shows you exactly what’s in your water — no obligation, no pressure.

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