Knowledge Base
From The Lab
Water filtration guides, health insights, and product advice from the Purely team.
Buyer’s GuideCarbon vs Reverse Osmosis: Which Home Water Filter Is Right for You?
Carbon vs reverse osmosis is the first big choice you face when you shop for a home water filter. Both work. Both have loyal fans. And both get oversold.
Water QualityIs Montreal Tap Water Safe to Drink?
Is Montreal tap water safe to drink? Yes. Is it optimal? No. The City of Montréal tests its water thousands of times a year, and its treated water meets Quebec's standards. But meeting a standard and being as clean as it could be are two different things, and lead from old pipes is where that gap shows most.
Water QualityHow to Check for Lead Pipes in Your Montreal Home
Lead pipes are still common in older Montreal buildings, and checking for them is easier than most people think. Montreal's treated drinking water is excellent. The catch is the last few metres. In some older buildings, water travels from the street to your tap through a lead pipe, and that's where lead can get in.
Water QualityFluoride in Water Isn't Your Biggest Risk. Here's What Is.
Few water topics spark as much debate as fluoride in water. It fills council meetings, comment sections and dinner table arguments. Yet if you live in Quebec, there's a good chance the fluoride question doesn't even apply to your tap. And while fluoride takes the spotlight, three contaminants with much stronger evidence behind them get far less attention: lead, PFAS and microplastics.
Health BenefitsShower Filter Benefits: What Chlorine Is Doing to Your Skin, Hair and Colour
Most conversations about water quality start with the glass you drink. The shower rarely comes up, even though it's where your whole body meets your tap water every day, usually hot and often for ten minutes or more. That's why some of the biggest shower filter benefits catch people by surprise. The chlorine that keeps city water safe on its way to your home doesn't switch off when it reaches your skin, scalp and hair.
Health & HomeWashing Clothes in Filtered Water: The Laundry Benefit Nobody Mentions
When people think about filtered water, they think about the glass they drink and, more and more, the shower they stand in. The washing machine rarely makes the list. Yet it's one of the biggest water users in your home, and everything you own that touches your skin goes through it. Using filtered water for laundry is one of the least talked about benefits of whole-home filtration, and the people who understand it best are the ones who make laundry detergent.
Buyer’s GuideReverse Osmosis Water Filtration
Reverse osmosis is one of the most thorough forms of home water filtration — but thorough is not the same as right for every home. Here is what it does well, what it costs you, and when a simpler filter is the better answer.
Health BenefitsCommon Tap Water Risks for Children (and How to Protect Them)
Children drink more water relative to their size while their brains, organs, and bodies are still developing. That makes the quality of the water they consume especially worth understanding.
Health Benefits5 Simple Habits for a Healthier Home in 2026
A healthier lifestyle isn't only shaped by what you eat or how often you exercise — the environment you live in every day matters too. Here are five simple habits for a healthier home in 2026.
Buyer’s GuideThe #1 Thing New Homeowners Forget to Invest In: Their Water
Your new home comes with a lot to inspect. The water flowing through it should be one of them — here's why it deserves the same attention as the roof, furnace, and wiring.
Health BenefitsYour Shower Water Might Be Drying Out Your Hair & Scalp
You use the mask, the oils, the leave-in — yet hair still comes out rough and frizzy. The overlooked variable may be the water itself. Here is what the research says about chlorine, your hair, and your scalp.
Health BenefitsWhy Expecting Families Are Paying More Attention To Water
Pregnancy makes us reconsider ordinary choices — and the water we drink every day deserves to be part of that conversation. Here is what the research says about water quality during pregnancy.
Water QualityIs Bottled Water Safer Than Tap Water?
One million bottles are sold every minute — but the bottle only tells you where the water started, not what happened before it reached your glass.
Health BenefitsHow Your Water Affects Your Hair & Skin
Chlorine, hardness minerals, and daily shower exposure can quietly cause dryness, irritation, and dull hair — and your products may not be the problem.
Water QualityThe Health Risks of Plastic Bottles
What most people don't realize about drinking from plastic every day — from microplastics to chemical exposure and long-term health concerns.
Health BenefitsWho's Most at Risk: Moms, Babies & Families
Why water quality matters more for sensitive groups — especially during pregnancy, infancy, and early childhood development.
Health & HomeHow Your Water Affects Your Hair & Skin
Why chlorine, hardness, and other water contaminants can affect dryness, irritation, hair texture, and your daily shower experience.
Water QualityThe Health Risks of Plastic Bottles
What most people don't realize about drinking from plastic every day — from microplastics to chemical exposure and long-term health concerns.
Health & HomeWho's Most at Risk: Moms, Babies & Families
Why water quality matters more for sensitive groups — especially during pregnancy, infancy, and early childhood development.
Health BenefitsShower Filters: Reducing Chlorine for Skin and Hair Comfort
Discover how a shower filter reduces chlorine to support softer skin, healthier hair, and a more comfortable shower experience.
Buyer’s GuideShower Filters vs Whole House Water Filters for Home Water Quality
Learn the difference between shower filters and whole house water filters and which option improves home water quality best.
Health BenefitsCan a Water Filter Improve Taste Without Removing Minerals?
Learn how water filters enhance taste and odor while keeping natural minerals for clean, balanced drinking water.
MaintenanceHow Often Should You Replace a Water Filter Cartridge?
Discover when to replace your water filter cartridge using capacity, usage, and system type for reliable performance.
Filtration TechnologyActivated Carbon Fiber vs Traditional Carbon Filters: What Matters Most?
Discover how activated carbon fiber compares to traditional carbon filters in flow control, consistency, and contaminant removal.
Water QualityHow to Tell If Your Tap Water Needs Filtration
Discover signs your tap water needs filtration and how a home water filter can improve taste, safety, and overall water quality.
Health BenefitsAre Shower Filters Worth It for Everyday Use?
Discover how a shower water filter can reduce chlorine, improve skin and hair water quality, and upgrade your everyday shower experience.
MaintenanceWater Filter Installation and Maintenance Overview
Understand water filter installation steps, maintenance timelines, and replacement processes for under-sink, shower, and whole-house systems.
Buyer’s GuideWhole House Water Filtration: Home-Wide Protection Explained
A whole house water filter treats water at the point of entry, delivering consistent, filtered water to every tap, shower, and appliance.
Buyer’s GuideHow to Build a Simple, Layered Home Water Filtration System
Build a simple home water filtration system by combining whole house, under sink, or shower filters based on what matters most to you.
Filtration TechnologyHow Multi-Stage Water Filtration Improves Everyday Water Quality
A multi-stage filtration system improves taste and safety by reducing contaminants through advanced filtration technology designed for daily use.
Buyer’s GuideHow to Choose a Water Filter Based on Your Household Water Use
Confused about choosing a home water filter? Learn how under-sink, shower, and whole house water filters fit different household water needs.
Buyer’s GuideHow Water Filtration Fits Into a Modern Home Without Overengineering It
Discover how modern home water solutions use layered filtration to improve water quality, comfort, and efficiency without complex or excessive systems.
Buyer’s GuideUnder Sink vs Whole House Filtration How to Decide
Choosing between an under sink and whole house water filter depends on usage, capacity, and lifestyle. This guide explains how to decide.
Filtration TechnologyCarbon Isn’t Just Carbon: Understanding Different Types of Activated Carbon
Activated carbon isn’t all the same. This guide explains GAC, PAC, and ACF, how they work, and why carbon structure matters in water filtration systems.
Water QualityChlorine and Heavy Metal Removal: Why Filtration Matters
Improving your water starts with reducing chlorine and heavy metals. This simple upgrade gives you cleaner, safer water for better health and comfort
Health BenefitsWhy Clean Drinking Water Matters for Everyday Health
Clean drinking water boosts energy, digestion, hydration, and long-term health. Learn why filtered drinking water and home water filters make a daily difference.
Water QualityCommon Water Contaminants and How the Purely P1 Removes Them
The Purely P1 under-sink water filter removes chlorine, heavy metals, VOCs, PFAS, and scale, providing safe, clean, and great-tasting water.
Buyer’s GuideHow to Choose the Right Whole House Water Filter for Your Home
Learn how whole house water filters work, why ACF technology matters, and how to pick the right capacity for your home based on family size and daily water use.
Filtration TechnologyUnderstanding Multi-Stage Filtration Systems for Cleaner Water
See how multi stage filtration delivers cleaner, smoother, mineral balanced water by removing sediments, chemicals, and metals for better daily hydration
Filtration TechnologyWhy Activated Carbon Fiber Removes Contaminants Faster
Activated Carbon Fiber offers faster adsorption, better contaminant capture, and consistent flow making it ideal for modern under-sink water filtration systems.
Filtration TechnologyIntroduction to Fiber Technology (Activated Carbon Fiber (ACF))
Activated Carbon Fiber (ACF) is one of the most advanced water purification system medias used today, an evolution of traditional carbon filter medias.
Buyer’s GuideGuide to Choosing Your Home Water Filtration System
Before you choose a water filter, understand your water and pick a system that truly protects your home.
Water QualityWater Quality: Why Even Clean City Water Deserves a Final Polish
When people hear “city water,” they often assume it’s perfectly clean and safe, and in many ways, it is.