City water
City Water Filtration Guide
Chlorine, chloramine, hardness, PFAS, lead — what city treatment leaves behind, and how to read your own ZIP's report.
Read the guide →PREVIEW — visual direction only · proposed slug /pages/water-filtration-guides (needs creating) · 6 live guides, matched to your menu
Water Filtration Guides
Understand your water first.The system comes second.
Plain-English guides to what's in your water and what actually treats it — the straight answers worth having before you choose anything.
CSLB #1102129
WQA Gold Seal Certified Systems
NSF/ANSI Tested
GoodFor is a consultation-first water company — we start with your home's actual water data and match you to a certified system proven to treat it. These guides share that same thinking, so the right choice is clear to you, too.
Start with your water source
What you treat depends on where your water comes from.
Well water
Well Water Filtration Guide
No utility is testing a private well. How to test yours, what to look for, and why treatment order matters.
Read the guide →Hardness & scale
The most common complaint we hear — and the most misunderstood.
Comparison
Salt vs Salt-Free Systems
Conditioners change scale; softeners remove minerals. Here's which one suits which home.
Read the guide →
Hardness
Water Softener Guide
What softening does, the hardness level where it pays for itself, and what it can't touch.
Read the guide →Certifications & choosing a system
Once you know your water, judge the systems — including ours — on the evidence.
Certifications
NSF Certifications Explained
NSF/ANSI 42, 53, 372 and 401 — what each standard certifies, and why 'NSF certified' alone tells you little.
Read the guide →
How we compare
How GoodFor Compares
An honest look at where GoodFor fits against the names you already know — and where another option might suit you.
Read the guide →
Still deciding?
Not sure which guide you need?
Tell us your ZIP or share your water report, and we'll point you to exactly what matters for your home.
Getting started
Where do I start if I don't know what's in my water?
Start with your water source. On municipal water, begin with the City Water Filtration Guide; on a private well, begin with the Well Water Filtration Guide. Both show you how to find your real water data first — the order that prevents expensive mistakes.
Do I need to read all of these before booking?
No. A GoodFor consultation works whether you've read everything or nothing — our team reviews your real water data with you and recommends a certified system matched to it. The guides are here for when you want to understand the "why" first.
Does GoodFor sell the systems in these guides?
Yes. GoodFor matches customers to WQA Gold Seal certified water treatment systems based on their water data. The guides stay educational on purpose — the recommendation comes after we've looked at your water together.