Clean Water Store
cleanwaterstore.com
Covers
Well-water treatment, whole-house systems and contaminant-specific sizing guides
Monetization
Not independently audited
Traffic channels
Search-visible content; traffic not measured
Why this site is worth studying
Demonstrates how a retailer builds contaminant-specific sizing content (iron, sulfur, hardness) rather than one generic 'best filter' list; a new publisher should study the specificity, not copy the product list.