Water Quality & Home Filtration Resource Center

How Global Conflicts Can Affect Everyday Resources Like Water and Energy You might have noticed that your electricity bill is increasing for no apparent reason. You might have heard about water issues in other places and wondered whether they could happen to you.   These things might seem far away from being a problem. The truth is, everything in the world is connected in ways that we do not always notice.  The electricity, water, and food we use every day all depend on one another. We need electricity to pump water and clean it.    We need fuel to transport things from one...

You pack lunch. You check the homework. You remind your child to pay attention to you and do their best. But the teacher still notes wandering attention, incomplete tasks, or difficulty remembering instructions. It is not strange to ask, "Are they tired?" Distracted? Not trying hard enough?  But what would happen when the actual problem is far simpler? The new studies indicate that mild dehydration may significantly impair a child's concentration, short-term memory, and overall cognitive function. Even in a classroom where sustained attention is needed - to listen to instructions, solve problems, read critically, etc. - lack of sufficient water can...

World Water Day is observed every year on March 22. It is a reminder that access to clean, affordable drinking water remains a serious challenge for many communities around the world. For many households in the United States, water concerns may feel far away. Treated municipal water usually flows from the tap every day, and it is easy to assume that home drinking water is always consistent. However, older pipes, environmental pollution, seasonal changes, and local infrastructure issues can still affect the water that reaches your glass. World Water Day is a good time to think about water not only...

How much water should kids drink each day? There is no single number that works for every child. Fluid needs change with age, body size, activity level, diet, weather, and overall health. A preschooler, an active 10-year-old, and a teenager going through a growth spurt have very different needs. Water plays an essential role throughout childhood. It helps regulate body temperature, move nutrients through the body, support digestion, and replace fluids lost through normal activity and sweating. Rather than relying on the familiar “eight glasses a day” rule, parents can use age-based guidelines as a starting point and then adjust...

You turn on the tap, pour some water into the glass, and drink. Something's... off. It doesn't taste terrible. Just different. Maybe a little metallic. Maybe flat. Probably, you cannot recall noticing the faint smell of a pool before. And you see yourself thinking, either it is only you who changed, or something did change in the winter. When this rings a bell, you are not dreaming. Many people know that tap water does not taste the same after winter, which is late winter or early spring. The good news? This change is usually seasonal, common, and remediable. It is...

The Seasonal Reset That Isn't What You Think It takes place with clockwork in the spring. The days get longer. The air feels lighter. And there is a sudden pressure to clean things up — inside and out. Closets get reorganized. Windows get washed. And at the same time, when you are thinking about tidying the pantry and making a fresh start, the thought of a spring detox creeps in. You must have encountered it in some place on the internet or accidentally in conversation: "It is time to flush out winter toxins". "Cleanse your system to reset. "Change to...

Winter manages to find its way into the body. The environment is cooler and drier. We are spending additional time in closed rooms. Grandchildren carry sniffles home out of school. Friends break lunch engagements, saying that they are coming down with something. It does not take long before coughing and congestion become part of the season. When we consider our personal care, of how we can remain healthy and care for ourselves during the cold and flu season, then we listen to the same kind of advice to eat well, take vitamins, rest, and maybe have some supplements or two....

Most of us use tap water without thinking much about the system behind it. We fill a glass, make coffee, cook dinner, wash produce, and go on with the day. That quiet reliability is one of the great conveniences of modern life. At the same time, many communities across the United States are paying closer attention to the pipes, pumps, treatment facilities, and plumbing that move water from source to home. Water systems are large, complex, and expensive to maintain. In some places, parts of that system are decades old. This does not mean families need to panic. It does...

Tap water goes through several steps before it reaches your home. One of the most important steps is disinfection, which helps public water systems maintain water quality as water moves through pipes, storage tanks, and distribution lines. Disinfection is a normal part of municipal water treatment. It helps keep water stable as it travels from the treatment plant to homes and businesses. However, the process can also produce small chemical compounds known as disinfection by-products, often abbreviated as DBPs.  DBPs can form when disinfectants, such as chlorine or chloramine, react with naturally occurring organic material in source water. This organic material may come...

Hydration Guide For everyday hydration, the best water temperature is usually the one that helps you drink enough. Cold water can be especially appealing during exercise and hot weather, while warm water may feel more soothing when you are cold or have a sore throat. Neither temperature has a universal health advantage. In This Guide The quick answerWhich hydrates better?Exercise and hot weatherDigestion and constipationColds and sore throatsCommon temperature mythsHow hot is too hot?Frequently asked questions Hot or Cold Water: The Quick Answer For most healthy people, hot, warm, room-temperature, cool, and cold water all contribute to hydration. Water temperature...

Know your water • Plan your next step Different sources. Different responsibilities. The biggest difference between well water and city water is who manages and monitors the supply. City water comes through a public system. A private well puts testing and upkeep largely in the homeowner’s hands. Neither source tells you everything about the water at your tap. Start with the available water-quality information, then decide whether your home needs treatment—and what it should address. This guide focuses on U.S. households using public water systems or private wells. Compare sourcesWater qualityTesting checklistChoosing treatmentHousehold planningFAQs Well water vs. city water at...

Staying hydrated is simple. Or it sounds simple. Yet many still have questions about how much water a person really needs in a day.  Some try to stick to the famous eight-glasses rule. While others drink water only when they feel thirsty. And so, it depends.   The thing is, every individual has their own needs when it comes to water. Age, weight, daily habits, and even where you live. All play a part. This is why a single fixed number rarely works for everyone.    Water keeps your body running smoothly. It helps with digestion, keeps your energy level steady, and allows your mind...

Heavy metals and other metal-related contaminants in drinking water can be difficult to detect. Some water-quality problems produce obvious clues such as metallic taste, staining, particles, or pipe corrosion. Others—including lead and arsenic—may be present even when water looks, smells, and tastes completely normal. Quick answer: Metallic taste, unusual discoloration, blue-green or rust-colored stains, sediment, recurring corrosion, and certain plumbing or source-water risk factors are all reasons to have your water investigated. But none of these can confirm contamination—and the absence of warning signs does not prove the water is free of metals. Laboratory testing is the reliable way to...

Activated carbon is one of the most widely used materials in drinking-water filtration. Although it may look like ordinary black granules or a solid block, its internal pore structure gives it an enormous surface area that can attract and hold selected substances from water. The key process is called adsorption. Adsorption is different from simply straining particles out of water. Instead, molecules interact with the surface of the activated carbon and remain attached within its extensive pore network. Quick answer: Carbon water filters work mainly through adsorption. Activated carbon contains a large network of microscopic pores that creates extensive internal...

White spots on dishes, scale on faucets, stiff laundry, and soap that does not lather well are all common signs of hard water. Hard water is very common across the United States, but many homeowners are not sure what it is, why it happens, or why many drinking water filters do not remove it. Hard water is not usually a health concern. The minerals that cause hardness, mainly calcium and magnesium, are naturally occurring minerals. The bigger issue is what those minerals can do to your home: scale buildup, appliance wear, cloudy glassware, soap scum, and reduced cleaning performance. This...

Have you ever taken a sip of tap water and immediately noticed something unusual—a metallic taste, chlorine smell, rotten-egg odor, salty flavor, or musty aftertaste? Unusual tastes and odors can come from the water source, municipal treatment, naturally occurring minerals, household plumbing, a water heater, stagnant water, or treatment equipment. Sometimes the problem is mainly aesthetic. In other situations, a sudden change is a reason to investigate the water more carefully. Quick answer: Chlorine-like water may reflect a disinfectant used by the water utility. A rotten-egg odor can indicate hydrogen sulfide or a water heater problem. Metallic tastes may be...

Most people experience itch, reddening, or rash after bathing, hand washing, or even when they quench thirst using tap water- and most readily believe they are "allergic to tap water". But is it possible to become allergic to such a basic thing as water? Pure H₂O cannot cause allergies in people, as the immune system does not respond to water molecules. But a significant percentage of the population reacts to what is in the water.  Tap water can contain chlorine, chloramines, metals, minerals, and other irritants that can cause skin or respiratory discomfort.    This is where we will be...

Have you ever wondered why your favorite hot drinks at your favorite cafe taste cleaner, smoother, and more aromatic than your home-made beverages, even though they use the same ingredients? It can be as basic as water quality. Water isn't just a base liquid. It affects flavor extraction, color, aroma, texture, and mouthfeel. In cases where water is chlorinated, sedimentary, or excessively mineralized, or contains chemicals, these substances interfere with the release and dissolution of flavors. The result? Unbalanced, cloudy, metallic, dull, and bitter gusts of drinks. In this article, we will examine seven warm winter drinks, including traditional tea...

The pH of drinking water indicates how acidic or basic it is. It may sound like a minor chemistry measurement, but pH can influence taste, corrosion, metal leaching, mineral deposits, and the effectiveness of certain water-treatment processes. What pH does not tell you is equally important. A pH reading alone cannot tell you whether water contains lead, arsenic, PFAS, nitrate, microorganisms, or other contaminants. Quick answer: The U.S. Environmental Protection Agency lists pH 6.5 to 8.5 as a secondary drinking-water guideline. This is mainly an aesthetic and technical range related to taste, corrosion, deposits, and water system performance—not a health-based...

The holidays are a time of love, giving, and making really comfortable gifts, not only in the moment but also for the long term. Consumers have never abandoned impulsive holiday gifts as quickly as they are increasingly turning to thoughtful, meaningful gifts that add to the routine of life in simple yet effective ways. This sustainability shift has provided an exciting trend of gifting clean water.   Clean water is vital to the health, well-being, and quality of life. Nevertheless, the WHO and UNICEF report that over 2 billion people worldwide lack access to safe drinking water, and millions of others...