Home Water Filtration Keyword Research
Sample commercial and informational terms grouped by search intent. Each group maps to a content format you would publish on a home water filtration site.
Best-of
| Keyword | Intent | Suggested format |
|---|---|---|
| best whole house water filter | Commercial | Round-up |
| best under sink water filter | Commercial | Round-up |
| best water filter for well water | Commercial | Round-up |
| best filter for lead removal | Commercial | Round-up |
Reviews
| Keyword | Intent | Suggested format |
|---|---|---|
| reverse osmosis system long term review | Commercial | Single product review |
| whole house carbon filter install review | Commercial | Single product review |
| countertop gravity filter taste test | Commercial | Single product review |
| faucet filter flow rate review | Commercial | Single product review |
Comparisons
| Keyword | Intent | Suggested format |
|---|---|---|
| whole house filter vs under sink filter | Commercial | Head-to-head |
| reverse osmosis vs carbon filter | Commercial | Head-to-head |
| pitcher filter vs faucet filter | Commercial | Head-to-head |
| water softener vs water filter | Commercial | Head-to-head |
Problem / Solution
| Keyword | Intent | Suggested format |
|---|---|---|
| how to test well water at home | Informational | Guide |
| how to remove pfas from drinking water | Informational | Guide |
| water smells like chlorine fix | Informational | Guide |
| how to read a ccr water quality report | Informational | Guide |
Cluster these keywords
Testing before buying
How to request and read your local Consumer Confidence Report (CCR) · Certified lab test vs drugstore test strip: what each can and cannot confirm · What a well-water test should check for that a city report does not · Reading a water test result: which numbers actually require a filter
Certification literacy
NSF/ANSI 42 vs 53 vs 58 vs 401: what each standard actually certifies · Why 'removes 99% of contaminants' without a standard number is not a claim you can verify · How to look up a specific model on the NSF database before buying · What a filter's certification does NOT cover for your specific water source
System selection by problem
Chlorine taste and odor only: do you need more than a carbon filter · Lead in older plumbing: point-of-use vs whole-house tradeoffs · Hard water vs contaminated water: why a softener is not a filter · Well-water households: iron, sulfur, bacteria and nitrate considerations
Ownership and maintenance
Filter cartridge replacement schedules and what happens if you skip one · Reverse osmosis waste water and under-sink space requirements · Whole-house filter installation: what a licensed plumber checks · Signs a filter has stopped working between replacement cycles