Is Chlorine in Water Bad for You? Health Effects Explained
Water Quality & Health
Is Chlorine in Water Bad for You? Health Effects Explained
What EPA, CDC, and WHO data say about chlorine in your drinking water, the real risks of disinfection byproducts, and when you should take action.
Want the full picture? Start with our Carbon Filters for Water: Complete Guide.
The Short Answer
Chlorine in drinking water at the levels your utility delivers is not acutely dangerous. The EPA sets the Maximum Contaminant Level Goal (MCLG) for chlorine at 4 mg/L, and the CDC confirms that levels up to 4 parts per million are considered safe (CDC). Most municipal water contains 0.2 to 2.0 mg/L. At those concentrations, chlorine does what it is supposed to do: kill bacteria, viruses, and parasites that once caused widespread disease.
The concern is not the chlorine itself. It is what chlorine creates when it reacts with organic matter in water: disinfection byproducts (DBPs) like trihalomethanes (THMs) and haloacetic acids (HAAs). The EPA regulates total THMs at 80 parts per billion and HAA5 at 60 ppb because long-term exposure is linked to increased bladder cancer risk and reproductive complications (EPA DBP Rules).
Beyond drinking, chlorinated water dries skin and hair, aggravates eczema and respiratory conditions, and leaves a taste and smell many people find objectionable. A whole-house carbon filter removes both chlorine and disinfection byproducts from every tap in your home.
Is Chlorine in Drinking Water Safe?
For the vast majority of people, yes. Chlorine has been used to disinfect U.S. public water supplies since 1908, and the CDC credits water chlorination with virtually eliminating waterborne diseases like cholera, typhoid, and dysentery in developed nations (CDC Water Disinfection).
The EPA classifies chlorine as a primary drinking water disinfectant and sets both a Maximum Contaminant Level (MCL) and Maximum Contaminant Level Goal (MCLG) at 4 mg/L (4 ppm). The MCLG is the level below which there is no known or expected health risk, including an adequate margin of safety (EPA Primary Standards).
Most municipal water systems deliver chlorine at 0.2 to 2.0 mg/L, well below the EPA limit. At these concentrations, the acute health risk from chlorine itself is essentially zero for healthy adults.
So why do people worry? Three reasons:
- Disinfection byproducts (DBPs): When chlorine reacts with naturally occurring organic matter in water, it creates compounds like trihalomethanes (THMs) and haloacetic acids (HAAs). These are regulated by the EPA because long-term exposure is associated with cancer and reproductive effects.
- Skin, hair, and respiratory irritation: Chlorine is a chemical oxidizer. Even at safe drinking levels, it strips natural oils from skin and hair and can irritate the respiratory tract when inhaled as steam during hot showers.
- Taste and odor: Many people find chlorinated water unpleasant to drink, which is a quality-of-life issue even if not a health issue.
The rest of this article breaks down each concern with specific numbers, regulatory data, and clear guidance on when treatment makes sense.
EPA, CDC, and WHO Standards for Chlorine in Drinking Water
Here is what each major authority says about chlorine in your water:
U.S. EPA
Maximum Contaminant Level
4 mg/L
Enforceable standard. Both the MCL and MCLG are set at 4 mg/L for chlorine (as Cl₂). The EPA also regulates disinfection byproducts separately: TTHMs at 0.080 mg/L and HAA5 at 0.060 mg/L.
CDC
Safe Drinking Level
Up to 4 mg/L
The CDC states: "Chlorine levels up to 4 milligrams per liter are considered safe in drinking water." They emphasize that proper chlorination prevents disease outbreaks that once killed thousands annually.
World Health Organization
Guideline Value
5 mg/L
WHO sets a health-based guideline of 5 mg/L for chlorine in drinking water. They note that "most people can detect chlorine by taste or smell at concentrations below 5 mg/L" and that residual chlorine is essential for distribution system safety.
EPA (Disinfection Byproducts)
DBP Limits
80 ppb THMs / 60 ppb HAAs
These limits exist because DBPs, not chlorine itself, are the primary health concern. Your utility is required to test and report these levels annually in the Consumer Confidence Report (CCR).
Key takeaway: Every major health authority agrees that chlorine at municipal treatment levels (typically 0.2 to 2.0 mg/L) is safe to drink. The EPA, CDC, and WHO all set their limits well above what most people receive at the tap. The separate, stricter limits on disinfection byproducts (THMs and HAAs) reflect where the real long-term health concerns lie.
Risk Levels by Chlorine Concentration
Not all chlorine levels carry the same implications. Here is a practical breakdown based on EPA standards and published health data:
Chlorine Concentration Risk Spectrum (mg/L or ppm)
| Chlorine Level (ppm) | Classification | Health Concern | What You May Notice | Action |
|---|---|---|---|---|
| Below 1.0 | Typical municipal range | None from chlorine itself. DBPs may still form depending on source water quality and pipe distance from treatment plant. | Faint chlorine taste or smell, or none at all | No urgent action. Consider a carbon filter if taste/odor bothers you or you want to reduce DBPs. |
| 1.0 to 2.0 | Upper normal range | Still within EPA safe limits. Higher DBP potential. May irritate sensitive skin during showers. | Noticeable chlorine taste and smell. Dry skin and hair after showering. Potential eczema flare-ups. | A whole-house carbon filter will eliminate taste, odor, and most DBPs. |
| 2.0 to 4.0 | High but within MCL | Still within EPA legal limits, but DBP formation increases significantly. Skin and respiratory irritation more likely. Not ideal for long-term consumption for sensitive populations. | Strong chlorine taste and smell. Dry, itchy skin. Potential breathing irritation during hot showers. | Treatment recommended, especially for households with children, pregnant women, or anyone with eczema or asthma. |
| Above 4.0 | Exceeds EPA MCL | Your utility is in violation of federal standards. Potential for eye and stomach irritation, nausea, and elevated DBP levels. Report to your water provider and state health department. | Overwhelming chlorine smell and taste. Possible eye irritation. Water may cause immediate skin reactions. | Do not drink until levels are confirmed. Contact your utility. Call Aidan at 800-460-5810 for emergency filtration options. |
Sources: EPA Primary Standards, CDC
Disinfection Byproducts: The Real Health Concern
If there is one thing to understand from this article, it is this: the health risks from chlorinated water come primarily from disinfection byproducts (DBPs), not from chlorine itself.
When chlorine reacts with naturally occurring organic matter (leaves, soil, algae) in source water, it creates new chemical compounds. The two groups the EPA regulates are:
| Byproduct | What It Is | EPA Limit | Health Concern |
|---|---|---|---|
| Trihalomethanes (THMs) | Group of four chemicals: chloroform, bromodichloromethane, dibromochloromethane, and bromoform. Formed when chlorine reacts with organic matter. | 80 ppb (0.080 mg/L) annual average | EPA classifies several THMs as probable human carcinogens. Long-term exposure is associated with increased bladder cancer risk. Some studies suggest reproductive effects including low birth weight and miscarriage (EPA). |
| Haloacetic Acids (HAAs) | Group of five acids (HAA5) formed by the same chlorine-organic matter reaction. Includes monochloroacetic acid, dichloroacetic acid, trichloroacetic acid, and two brominated variants. | 60 ppb (0.060 mg/L) annual average | EPA classifies dichloroacetic acid as a probable human carcinogen. Associated with liver effects in animal studies. Reproductive and developmental effects under continued study. |
What the Research Shows
The most-studied health effect of THM exposure is bladder cancer. A meta-analysis published in the Journal of Environmental and Public Health found that long-term exposure to chlorination byproducts is associated with a moderate increase in bladder cancer risk. The EPA based its Stage 2 DBP Rule on this and similar evidence.
Reproductive studies have found associations between high THM exposure and adverse birth outcomes, including neural tube defects and small-for-gestational-age births, though the EPA notes these findings are not yet conclusive enough to set specific limits for pregnant women.
Perspective matters: The absolute risk increase from DBPs is small for any individual. Chlorination prevents far more illness than DBPs cause. The goal is not to eliminate chlorination (which would be catastrophic for public health) but to remove chlorine and its byproducts at the point of use in your home, after it has done its job in the distribution system.
How to Check Your DBP Levels
Your water utility is required to test for THMs and HAAs and report the results in an annual Consumer Confidence Report (CCR). You can:
- Search for your CCR at EPA's CCR search page
- Call your water utility directly and ask for the most recent THM and HAA test results
- Request your specific tap location's data (levels vary by distance from the plant)
If your utility's THM or HAA levels are approaching or exceeding EPA limits, that is a strong reason to install a carbon filter.
Chlorine vs. Chloramine: Know What Is in Your Water
About 1 in 5 Americans receive water treated with chloramine instead of (or in addition to) free chlorine. The distinction matters because the two behave differently in your home.
| Free Chlorine (Cl₂) | Chloramine (NH₂Cl) | |
|---|---|---|
| What it is | Chlorine gas or sodium hypochlorite dissolved in water | Chlorine combined with ammonia; more stable, persists longer in pipes |
| EPA MCL | 4 mg/L (as Cl₂) | 4 mg/L (as Cl₂) |
| Taste and smell | Sharp, pool-like smell; most people detect it above 0.5 ppm | Less noticeable taste and smell than free chlorine |
| DBP formation | Higher THM and HAA formation | Lower THMs/HAAs, but forms its own class of byproducts (nitrosamines, including NDMA) that are under study |
| Skin and hair effects | Dries skin and hair; irritates eczema | Similar effects, and some dermatologists report chloramine is harder on sensitive skin because it persists longer |
| Removal difficulty | Standard granular activated carbon (GAC) removes it easily | Requires catalytic activated carbon or much longer contact time with standard GAC. Standard carbon filters marketed for chlorine may not fully remove chloramine. |
| Other concerns | Dissipates relatively quickly (boiling or letting water sit removes most of it) | Toxic to fish and aquarium life. Cannot be removed by boiling. Dialysis patients must have chloramine-free water. |
If Your Water Has Chloramine
Standard carbon block filters and pitcher filters designed for chlorine may not adequately remove chloramine. You need a system with catalytic activated carbon (like coconut-shell catalytic carbon) that is specifically rated for chloramine removal. Our whole-house carbon filters use Centaur catalytic carbon, which is NSF-certified for both chlorine and chloramine reduction.
To find out if your utility uses chloramine, check your CCR or call them directly. You can also test: if a standard chlorine test strip shows zero but a "total chlorine" test shows a reading, the difference is chloramine.
How You Are Exposed (It Is Not Just Drinking)
Most people think about chlorine exposure only in terms of what they drink. In reality, showering and bathing account for significant exposure through two additional routes:
Inhalation
Hot showers aerosolize chlorine and THMs into steam you breathe. A 10-minute shower in chlorinated water can result in more chloroform exposure than drinking 2 liters of the same water (Andelman, 1985).
Skin Absorption
Your skin absorbs chlorine and DBPs during bathing. Warm water opens pores and increases absorption. Studies show measurable increases in blood THM levels after swimming and showering in chlorinated water.
Ingestion
Drinking and cooking with chlorinated water. This is the exposure route most people focus on, but research suggests it may account for less total DBP exposure than showering for the average person.
This is why a whole-house carbon filter matters more than a kitchen-only filter. A reverse osmosis system or countertop pitcher handles your drinking water, but your shower, bath, dishwasher, and washing machine still deliver unfiltered chlorinated water. A whole-house carbon filter treats every drop that enters your home.
Effects of Chlorine on Skin and Hair
This is the concern we hear most often from customers. The health data on chlorine in drinking water is reassuring for most people, but the daily effects on skin and hair are very real and very noticeable.
Skin Effects
Chlorine is an oxidizing agent. It disrupts the lipid layer that keeps your skin hydrated and protected. With daily showering in chlorinated water, this can result in:
- Dryness and flaking: Particularly on hands, face, and legs
- Itching and irritation: Especially after hot showers, which increase chlorine volatilization
- Eczema flare-ups: The American Academy of Dermatology notes that chlorinated water can aggravate atopic dermatitis. Multiple studies have found associations between swimming pool chlorine exposure and childhood eczema, and household exposure follows similar patterns.
- Disrupted skin microbiome: Chlorine is a disinfectant; it does not distinguish between harmful bacteria and the beneficial bacteria on your skin that support immune function
Hair Effects
- Dryness and brittleness: Chlorine strips the natural oils (sebum) that keep hair soft and flexible
- Color fading: Color-treated hair fades significantly faster with chlorinated water. Blonde hair can develop a greenish tint (from copper that chlorine leaches from pipes, not from chlorine directly).
- Reduced effectiveness of products: Shampoo and conditioner are less effective in chlorinated water because chlorine interferes with surfactant chemistry
From the field: A homeowner in the Philadelphia suburbs recently contacted us after moving into a house with hard water and noticeable chlorine. With five people in the household, the skin and hair effects were the primary concern. The solution was a carbon filter and water softener combination. The carbon removes chlorine and DBPs; the softener addresses the hardness. Within a week of installation, the family noticed a significant difference in skin feel and hair texture.
Who Should Be Most Concerned About Chlorine in Water
While chlorine at municipal levels is safe for healthy adults, certain groups may benefit more from removing it:
Populations Requiring Extra Consideration
Chlorine aggravates inflammatory skin conditions by stripping the protective lipid barrier and disrupting the skin microbiome. If you or a family member has atopic dermatitis, removing chlorine from shower and bath water can reduce flare-up frequency and severity. The National Eczema Association lists water quality as an environmental trigger worth addressing.
Chlorine and THMs become volatile gases in hot shower steam. For people with asthma, chronic bronchitis, or other respiratory conditions, daily inhalation of chlorinated steam can irritate airways and trigger symptoms. Multiple occupational studies of pool workers show chlorine exposure is associated with increased respiratory symptoms (Bernard et al., 2006).
Some epidemiological studies have found associations between high THM exposure during pregnancy and adverse birth outcomes, including low birth weight and neural tube defects. The EPA acknowledges this research but has not set specific pregnancy limits. As a precaution, reducing DBP exposure during pregnancy is a reasonable step. The chlorine itself at municipal levels is not the concern; the byproducts are.
Children have higher respiration rates relative to body weight and thinner skin, making them more susceptible to chemical exposures per unit of body weight. Bath time represents significant dermal and inhalation exposure. If your child has recurring skin irritation or respiratory symptoms, water quality is worth investigating.
Both chlorine and chloramine must be completely removed from water used for hemodialysis. Even small amounts can damage red blood cells during the dialysis process. This is a medical requirement, not a preference. Dialysis centers use specialized multi-stage carbon filtration systems for this reason.
Chlorine and chloramine are toxic to fish, invertebrates, and beneficial aquarium bacteria at concentrations found in tap water. If you keep fish, you must treat your water before adding it to the tank. A whole-house carbon filter eliminates this concern entirely.
For everyone else: If you are a healthy adult with no skin conditions, respiratory issues, or other sensitivities, chlorine in your municipal water at typical levels (0.2 to 2.0 ppm) is not a meaningful health risk. The EPA, CDC, and WHO all agree on this point. Removing it is about comfort, taste, and reducing long-term DBP exposure. It is a quality-of-life decision, not a medical emergency.
Also on city water? Check for PFAS. Chlorine and disinfection byproducts are not the only contaminant of concern in municipal water. PFAS ("forever chemicals") have been detected in water systems serving over 52 million Americans, and the EPA has linked them to cancer, thyroid disease, and immune suppression. A whole-house carbon filter reduces both chlorine and PFAS. Learn more in our PFAS Health Effects guide.
How to Test Your Chlorine Levels
Testing chlorine is simple and inexpensive. Unlike many water contaminants, you can get a reliable chlorine reading at home in minutes.
Home Testing Options
- Pool/spa test strips: The cheapest option ($5 to $10 for a pack of 50+). Dip a strip in a glass of cold tap water and compare the color to the chart. These measure free chlorine and total chlorine. If total chlorine is higher than free chlorine, the difference is chloramine.
- DPD drop test kit: More precise than strips. Uses reagent drops that turn water pink in proportion to chlorine level. Costs $15 to $25. Good enough for most homeowners.
- Digital chlorine meter: Lab-grade accuracy ($50 to $200+). Worth it if you are monitoring filtration system performance over time.
What to Test For
- Free chlorine: The active disinfectant in your water. This is what your utility reports.
- Total chlorine: Free chlorine + combined chlorine (chloramine). If these numbers differ, your water contains chloramine.
- THMs and HAAs: These require a lab test ($50 to $150). Your utility's CCR reports system-wide averages, but levels at your specific tap may differ. A lab test gives you your actual exposure.
Send Your Results to Aidan
If you have questions about your water test results, or you want help choosing the right carbon filter for your water chemistry, send your results to Aidan at 800-460-5810. He has been sizing these systems for over 30 years and can tell you exactly what you need. No obligation.
How to Remove Chlorine from Your Water
The good news: chlorine and disinfection byproducts are among the easiest contaminants to remove. Activated carbon is extremely effective at adsorbing both. Here are your options ranked by scope:
| Method | What It Removes | Coverage | Cost | Best For |
|---|---|---|---|---|
| Whole-House Carbon Filter | Chlorine, chloramine (with catalytic carbon), THMs, HAAs, taste, odor, VOCs | Every tap, shower, and appliance in your home | Starting at $1,495 | Homeowners who want complete protection. Eliminates skin, hair, inhalation, and ingestion exposure. |
| Reverse Osmosis (Under-Sink) | Chlorine, DBPs, plus heavy metals, fluoride, TDS, and most other dissolved contaminants | Kitchen drinking/cooking water only | Starting at $595 | Renters, or as a complement to whole-house carbon for the purest possible drinking water |
| Countertop/Pitcher Filter | Chlorine taste and odor. Limited DBP removal depending on filter quality. | Drinking water only | $20 to $50 (ongoing filter replacements) | Budget-conscious temporary solution. Does nothing for shower, bath, or laundry. |
| Shower Filter | Some chlorine reduction. Limited capacity. | One showerhead | $20 to $40 (frequent replacements) | Renters who cannot install whole-house filtration. Limited effectiveness at high flow rates. |
Why Whole-House Carbon Is the Best Solution
A kitchen-only filter or pitcher handles what you drink, but your largest exposure to chlorine and DBPs comes through showering (inhalation and skin absorption). Only a whole-house system treats every drop before it reaches any fixture.
A kitchen-only filter or pitcher handles what you drink, but your largest exposure to chlorine and DBPs comes through showering (inhalation and skin absorption). Only a whole-house system treats every drop before it reaches any fixture. For help choosing the right system, see our buyer’s guide: Best Whole House Water Filter for Chlorine.Our whole-house carbon filters use Centaur catalytic activated carbon (coconut shell based), which removes both free chlorine and chloramine. Standard granular activated carbon (GAC) works for free chlorine but is much less effective against chloramine. If your utility uses chloramine, the media type matters.
Standard granular activated carbon (GAC) works for free chlorine but is much less effective against chloramine. If your utility uses chloramine, the media type matters. Learn why in our detailed guide: What Is Activated Carbon? How Carbon Filters Actually Work.Carbon Filter Options from Mid Atlantic Water
| System | Type | Best For | Price |
|---|---|---|---|
| Clack 1.5 CF Non-Backwashing | Upflow, no electricity, no drain needed | 1 to 3 bathroom homes. Simple install, zero maintenance between media changes. | $1,495 |
| Clack 2.5 CF Non-Backwashing | Upflow, no electricity, no drain needed | 3 to 5 bathroom homes or higher water usage. More media = longer service life. | $1,695 |
| Fleck 2510SXT 1.5 CF Backwashing | Digital valve, automatic backwash, requires power and drain | Homes with sediment or additional contaminants that benefit from periodic media rinsing. | $1,895 |
| Fleck 2510SXT 2.5 CF Backwashing | Digital valve, automatic backwash, requires power and drain | Larger homes with higher flow demands and/or additional water quality concerns. | $2,495 |
All systems use Vortech tanks with a built-in distributor plate (no gravel underbed), Centaur catalytic coconut-shell carbon media, and are designed for DIY installation with free tech support from Aidan.
Not Sure Which System You Need?
Call Aidan at 800-460-5810 with your water test results and the number of bathrooms in your home. He will recommend the right size and type based on your actual water chemistry, not a generic recommendation.
If You Also Have Hard Water
Many city water customers deal with both chlorine and hard water. Many city water customers deal with both chlorine and hard water. See our full guide: Carbon Filter and Water Softener: Do You Need Both? If your hardness is above 7 grains per gallon, a carbon filter and water softener combination package handles both problems in one installation. The carbon filter goes first to protect the softener resin from chlorine damage, and the softener eliminates scale, spots, and soap inefficiency.
Frequently Asked Questions
Is chlorine in tap water safe to drink?
At the levels delivered by municipal water systems (typically 0.2 to 2.0 mg/L), yes. The EPA, CDC, and WHO all set safe limits at 4 mg/L or higher. The CDC credits water chlorination with virtually eliminating cholera, typhoid, and other waterborne diseases. The concern is not acute chlorine toxicity but the disinfection byproducts (THMs and HAAs) that chlorine creates when it reacts with organic matter. These are regulated separately and are associated with increased cancer risk at high levels over long periods (EPA).
What are the side effects of chlorine in drinking water?
At typical municipal levels, chlorine itself causes few direct side effects for healthy adults. The most common complaints are taste and odor. With daily showering, chlorine can cause dry skin, dry/brittle hair, and irritation for people with eczema or sensitive skin. When hot water releases chlorine as gas, it may irritate the respiratory tract, particularly for people with asthma. The long-term concern is not chlorine itself but disinfection byproducts (THMs, HAAs) formed when chlorine reacts with organic matter. These are associated with bladder cancer risk and reproductive effects at elevated levels.
What is the effect of chlorine in water on the human body?
Chlorine at municipal drinking water levels (below 4 mg/L) has limited direct effects on the body for healthy adults. Externally, it acts as an oxidizer that strips natural oils from skin and hair, leading to dryness. When inhaled as steam during hot showers, chlorine (primarily as chloroform, a THM) can irritate airways. Internally, the EPA considers levels up to 4 mg/L safe for consumption. The primary body of concern is long-term exposure to disinfection byproducts (DBPs), which studies have linked to increased bladder cancer risk and potential reproductive effects. These risks are population-level statistical associations, not guaranteed outcomes for individuals.
Does boiling water remove chlorine?
Boiling will remove free chlorine because chlorine is volatile and evaporates with the steam. Boiling for about 15 to 20 minutes removes most free chlorine. However, boiling does not effectively remove chloramine, which is more stable. Boiling also concentrates non-volatile contaminants (minerals, heavy metals) and may increase certain DBP levels. A carbon filter is a more effective, practical, and comprehensive solution for daily chlorine removal.
Is chlorine in shower water bad for you?
Chlorinated shower water is not dangerous for most people at typical municipal levels. However, it has real effects: dry skin, dry and brittle hair, and potential aggravation of eczema, psoriasis, and other skin conditions. The bigger concern is inhalation. Hot showers create steam that carries chlorine and THMs as volatile gases. Research suggests a 10-minute hot shower can result in more total chloroform exposure than drinking 2 liters of the same water. For people with asthma, this inhalation route is worth addressing. A whole-house carbon filter eliminates chlorine from shower water (and every other tap in your home).
What is the difference between chlorine and chloramine in water?
Chlorine (Cl₂) is added at the treatment plant and dissipates relatively quickly. Chloramine (NH₂Cl) is chlorine combined with ammonia, designed to persist longer in the distribution system. About 1 in 5 U.S. utilities use chloramine. The key differences for homeowners: chloramine is harder to remove (requires catalytic carbon, not standard GAC), cannot be removed by boiling, is toxic to fish, and must be completely removed for kidney dialysis. Chloramine produces fewer THMs but creates its own class of byproducts (nitrosamines) under study. Check your utility's Consumer Confidence Report to find out which you have.
Can chlorine in water cause cancer?
Chlorine itself is not classified as a human carcinogen by the EPA at drinking water levels. However, the disinfection byproducts that chlorine creates (specifically THMs and HAAs) are classified by the EPA as probable human carcinogens. Long-term studies show an association between elevated THM exposure and increased bladder cancer risk. The EPA regulates THMs at 80 ppb and HAAs at 60 ppb specifically because of this evidence. To be clear: the cancer risk is from the byproducts of chlorination, not from the chlorine molecule itself, and the absolute individual risk is small. A carbon filter removes both chlorine and its byproducts.
How much chlorine in water is safe?
The EPA's Maximum Contaminant Level Goal (MCLG) for chlorine is 4 mg/L (4 ppm). This is the level below which there is no known or expected health risk, including a margin of safety. The WHO sets a guideline of 5 mg/L. Most municipal water contains 0.2 to 2.0 mg/L, well below both limits. If your water tests above 4 mg/L, contact your utility because that exceeds federal standards.
Do carbon filters remove chlorine?
Yes. Activated carbon is one of the most effective methods for removing chlorine from water. Standard granular activated carbon (GAC) removes free chlorine efficiently. For chloramine removal, you need catalytic activated carbon, which has a modified surface structure that breaks the chloramine bond. Our whole-house carbon filters use Centaur catalytic carbon (coconut-shell based), which handles both chlorine and chloramine. A properly sized system reduces chlorine to undetectable levels at every tap and shower in your home.
Is chlorinated water bad for eczema?
There is strong anecdotal and growing clinical evidence that chlorinated water aggravates atopic dermatitis (eczema). Chlorine strips the skin's lipid barrier and disrupts the microbiome, both of which are already compromised in eczema patients. The National Eczema Association lists environmental irritants (including water quality) as potential triggers. Many of our customers with eczema report noticeable improvement after installing a whole-house carbon filter. This is not a cure for eczema, but removing a known irritant from daily skin contact is a logical step in managing the condition.