Notes from the people who test the water.
What is in tap water, how filters actually work, and where the marketing stops matching the lab reports. Written by the team that builds Duryn, with sources at the end of every piece.
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The Best Water for Coffee: Why Filtered Tap Water Makes a Difference
Why Water Quality Matters for Coffee Water makes up around 98% of every cup of coffee. Yet most of us focus on the beans, the grind, or the brewing method — and overlook the one ingredient that's always there. Tap water quality varies significantly depending...
4 min read
Clearly Filtered Alternative: Duryn vs Clearly Filtered — Two Serious PFAS Pitchers Compared
Comparing Clearly Filtered vs Duryn? Both pitchers take PFAS seriously. See how they compare on filtration technology, NSF certifications, materials, and daily use — and which is the better fit for your household.
5 min read
Epic Water Filters Alternative: Duryn vs Epic Water Filters Compared
Comparing Epic Water Filters vs Duryn? Both brands target PFAS and microplastics for health-conscious buyers. See how they compare on filtration technology, NSF certifications, materials, and daily use.
5 min read
Rorra Alternative: Duryn vs Rorra — Which Glass Water Filter Pitcher Is Right for You?
Comparing Rorra vs Duryn water filter pitchers? Both use glass and target serious contaminants including fluoride. See how they compare on filtration technology, PFAS removal, NSF certifications, and daily use.
6 min read
NSF 53 Certified Water Filter Pitchers: What the Certification Actually Means
NSF/ANSI 53 is the health-effects certification that separates serious water filter pitchers from taste-only systems. This guide explains what it covers, what it doesn't, and what to look for beyond it.
4 min read
Fluoride Filter Pitcher: What to Look For and Why It Matters in 2026
Most water filter pitchers don't remove fluoride. This guide explains why fluoride reduction matters, which filtration technologies actually work, and what to look for in a pitcher that addresses it.
4 min read
Waterdrop Alternative: Duryn vs Waterdrop — Two Premium Filter Pitchers Compared
Comparing Waterdrop vs Duryn water filter pitchers? Both brands target PFAS and microplastics with premium positioning. See how they compare on filtration technology, NSF certifications, materials, and plastic-free storage.
6 min read
Best Water Filter Pitcher for PFAS in 2026: What the EPA Rule Changes
The EPA's 2024 PFAS rule changed what a water filter pitcher needs to do. This guide explains what PFAS is, what the new MCLs mean for household water, and what to look for in a pitcher that actually addresses the problem.
5 min read
Glass Water Filter Pitcher: Why the Material Matters as Much as the Filter
Most water filter pitchers are plastic. A glass water filter pitcher removes plastic from the water-contact equation entirely — here's why that matters, what to look for, and which glass pitchers are worth considering.
4 min read
PFOA PFOS Water Filter: What the EPA's 2024 Rule Means for Your Home
PFOA and PFOS are now regulated by the EPA at 4 parts per trillion — the lowest measurable level. This guide explains what these compounds are, where they come from, and what filtration technology removes them from drinking water.
5 min read
PFAS and Microplastics in Drinking Water: What They Are and How to Remove Them
PFAS and microplastics are the two most significant emerging contaminant concerns in drinking water. This guide explains what they are, how they get into tap water, what the research says about health effects, and which filtration approaches actually remove them.
6 min read
The Best Water for Coffee: Why Filtered Tap Water Makes a Difference
Why Water Quality Matters for Coffee Water makes up around 98% of every cup of coffee. Yet most of us focus on the beans, the grind, or the brewing method — and overlook the one ingredient that's always there. Tap water quality varies significantly depending...
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A reading path through what is in your water, how filters work and the decisions behind Duryn.