Clarity for home water,from records you can check.
WaterDecoder helps you understand your water, decode what you’re seeing, plan treatment and choose with confidence, using free tools, test results, certification records and product evidence.
“Most people meet their water through a smell, a stain or a report full of codes. We start there.”
Why we exist
Choosing water treatment means reading certification listings, lab reports and marketing claims that rarely say the same thing. WaterDecoder puts the records side by side and says plainly who produced each one.
When a product isn’t certified for something, we say so rather than imply it is.
Four questions, four separate answers.
We never fold them into one verdict, so each answer stays honest about what it covers.
Never combined
Evidence1
What’s on record?
Certification listings, lab reports and brand documents, each labeled with who produced it and when.
Certified · NSF/ANSI 58
Independent lab report
Brand document
Evaluation2
How well does it do the job?
Decode Score reads that evidence for one function at one configuration, the same way for every product of its type.
8.4/10Decode Score 8.4 out of 10, evidence confidence High
Evidence confidence:HighAn example result from our research set
Household fit3
Does it suit my home?
Finder asks about your water, home and budget, then explains fit. It isn’t a score.
✓City supply
✓Under-sink space
–Budget not set
Your water over time4
What’s changed or needs replacing?
My Water keeps your water details and test results in one place, so you can track what has changed and spot what may need replacing.
Latest · Test result added
Earlier · Hardness checked
Free tools for every step.
Most of WaterDecoder isn’t about products. It’s about knowing your water, then deciding what, if anything, to do.
1Step 1: Understand
Know what’s in your water
Featured toolDecode
Start from what you notice, such as a smell, stain or taste, and see what usually causes it.
Retailer links, including Amazon, may earn us a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. The affiliate disclosure explains how it works. Prices are shown apart from the Decode Score.
