Top 10 Best alkaline water filter in 2026

Last Updated - 6/18/2026

🏆Best Choice

AQUA CREST

AQUA CREST Alkaline Water Filter, Intended for Brita® Pitchers and Dispensers, Everyday, UltraMax, Metro+, XL and More, NSF Certified, 2 Months, 6 Count, Mineralized Alkaline Water, Increases Water PH

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•[Alkaline Water for Your Health] The alkaline water filter replacement for Brita filter adopts upgraded filter materials and enriches your tap water with calcium, magnesium, potassium, and selenium ions, raising its pH to support better hydration, stronger bones, improved digestion, and enhanced overall immunity, promoting your physical health.
•[NSF/ANSI 42 & 372 Approved Alkaline Water] The filter replacement for Brita filter has been certified by IAPMO R&T against NSF/ANSI Standard 42 in Model ECF-7015XX-06BZ for the reduction of the claims specified on the Performance Data Sheet, and to NSF/ANSI 372 (≤0.25% lead).
•[Great Fit with the Original] This water filter replacement for Brita filter is designed as a replacement for all Brita pitchers and dispensers, except for Brita Stream, Hub Instant System. It is compatible with the original pitchers or dispensers, ensuring a tight seal and eliminating worries about leakage.
•[Advanced Filtration] Through a combination of non-woven fabric, coconut shell activated carbon, and mesh screens, this filter effectively reduces chlorine, taste and odor, rust, sediments and large particles, tested by a third-party lab, via thorough filtration while enriching your tap water with calcium, magnesium, potassium, and selenium ions to enhance its quality and your overall hydration experience.
•[2-month Pure Enjoyment & User-friendly Design] This alkaline filter offers a 2-month lifespan, ensuring you enjoy pure water for an extended period. Moreover, it is meticulously designed with user convenience in mind. Its easy-to-hold cap ensures effortless handling and facilitates quick filter replacement. Crafted from food-grade, BPA-free, and lead-free materials, this filter guarantees your water safety while delivering crisp, refreshing water without any worries.

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$28.39

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iSpring

iSpring FA15 Alkaline Inline Water Filter Cartridge, 10” x 2” with 1/4” Quick Connect, NSF Certified, Add-on for RO Systems, Balances pH & Restores Minerals, 3-Layer Replacement Filter

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•BALANCED MINERALIZATION - Standard RO systems remove both harmful pollutants and beneficial minerals, often producing slightly acidic water. The FA15 Alkaline Mineral Filter restores essential minerals like calcium, magnesium, and potassium, balancing pH for healthier drinking water
•ENHANCED TASTE & QUALITY - Enjoy clean, safe, and great-tasting water every time you turn on the faucet, with improved mineral content and a refreshing taste
•UNIVERSAL COMPATIBILITY - Designed to be easily added to any under-sink water filter or RO system, making it a versatile upgrade for your filtration setup
•RAISES pH LEVEL - Effectively increases the pH of RO water, helping to balance acidity for a healthier hydration experience
•QUICK & SECURE INSTALLATION - The updated FA15 alkaline mineral filter features a push-fit quick connection for fast and hassle-free replacement. For installation assistance, refer to the user manual or reach out to our support team

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$17.92

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Waterdrop

Waterdrop Alkaline Water Filter Pitcher with 1 Filter, Healthy, Clean & Toxin-Free Mineralized Alkaline Water (100 Gallons), Up to PH 9.5, BPA Free, 7-Cup, Pink

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Healthy alkaline water: Alkaline water is one of the latest health trends. It is said that drinking alkaline water is healthier than drinking ordinary water. Alkaline water helps slow down the aging process and regulate the pH value of your body. It can also help avert various chronic diseases. Waterdrop alkaline and mineral filter contains natural mineral material, and the pH level can be increased to 8.0-9.5. You can drink alkaline water at home and stay healthy.
•Effective filtration: Using 6-stage water filter technology, Waterdrop Elfin water filter pitcher tests water to eliminate as many impurities as possible. It can reduce fluoride, chlorine, taste and odor, and heavy metals such as aluminum, iron, copper, and mercury, tested by a third lab. At the same time, it adds zinc, calcium, magnesium, selenium, lithium, iodine, and other minerals and trace elements to your water. Drink more water every day with Waterdrop.
•Dedicated filtration performance: This system DOES NOT lower TDS value. If you prefer low TDS value, please choose Waterdrop TDS Reduction Pitcher (search: B0CDC5L13C). “TDS” stands for “total dissolved solids,” which are basically inorganic salts and a small amount of organic matter. The filter can reduce harmful substances while retaining beneficial calcium and magnesium, which are the main components of inorganic salts.
•Gravity induct indicator: The countertop pitcher contains a light that lets you know when it’s time to replace the filter. In addition, while pouring your water, you can check on the use status of the filter.
•Exceptional quality: The countertop pitcher is made of high-grade BPA-free plastic and has an ergonomic handle, which makes for easy handling. Because the pitcher uses highly efficient ACF from Japan, you can rest assured that you will enjoy optimal performance.
•Choose a hue that suits you! With Waterdrop water filter pitcher, available in a range of vibrant colors and beautifully boxed, you’ll be gifting loved ones both style and purity in every sip.

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$22.99

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Waterdrop

Waterdrop Alkaline Lucid 10-Cup Large Water Filter Pitcher with 1 Filter, Healthy, Improved Coffee Taste, Clean & Toxin-Free Mineralized Alkaline Water (100 Gallons), Up to PH 9.5, BPA Free, Blue

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Healthy alkaline water: Alkaline water helps slow down the aging process and regulate the pH value of your body. Waterdrop alkaline filter contains mineral material, and the pH level can be increased to 8.0-9.5. You can drink alkaline water at home.
•Improved Coffee Taste: This alkaline water filter can improve the pH of your tap water and turn it into alkaline water. The alkaline water smooths the flavor of coffee by reducing acidity, refines the overall taste for a more balanced experience, and subtly enhances the natural sweetness, making each sip more enjoyable.
•Effective filtration: Using 6-stage water filter technology, Waterdrop water filter pitcher can reduce fluoride, chlorine, taste and odor, and heavy metals tested by a third lab. And it adds zinc, calcium and other minerals to your water.
•Dedicated filtration performance: This system DOES NOT lower TDS value. If you prefer low TDS value, please choose Waterdrop TDS Reduction Pitcher. “TDS” stands for “total dissolved solids,” which are basically inorganic salts and a small amount of organic matter.
•Gravity induct indicator: The pitcher contains a light that lets you know when it’s time to replace the filter.You can check on the use status of the filter. Product Dimensions: 10"*5.28"*10.04". If you plan to use it for fridge, please measure your fridge to ensure it fits.
•Exceptional quality: The pitcher is made of high-grade BPA-free plastic and has an ergonomic handle, which makes for easy handling. Because the pitcher uses highly efficient ACF from Japan, you can rest assured that you will enjoy optimal performance.

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$22.09

$25.99

-15%

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Waterdrop

Waterdrop Slim Alkaline Water Filter Dispenser, Large 35-Cup, Up to PH 9.5, Healthy, Clean & Toxin-Free Mineralized Alkaline Water, 100-Gallon, BPA Free, Black (1 Filter Included)

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•⚡𝐓𝐡𝐢𝐬 𝐬𝐲𝐬𝐭𝐞𝐦 𝐃𝐎𝐄𝐒 𝐍𝐎𝐓 𝐥𝐨𝐰𝐞𝐫 𝐓𝐃𝐒 𝐯𝐚𝐥𝐮𝐞. If you prefer low TDS value, please choose Waterdrop 0 TDS Dispenser. (search model: WD-WFD-01L, WD-WFD-01W).
•Healthy Alkaline Water: This alkaline water filter pitcher can add multiple alkaline substances to water to improve the alkaline value of water. Alkaline water is the first choice of healthy water and is more suitable for sports enthusiasts, helping to delay ageing and improve the immunity.
•6-layer Fine Filtration: The water filter pitcher effectively reduces chlorine, fluoride, taste and odor, aluminum, iron, copper and mercury through 6-layer fine filtration, ensuring the purity of every drop, according to tests of a third lab.
•Fashionable and Slim Appearance: This water filter pitcher adopts fashion streamlined design and a slim body, which is only 14.4*5.5*10 inches and specially made for refrigerator, saving space. The 35-cup (19 cups in the body) capacity of this water filter machine can meet the water needs of the whole family. Please check the size of your refrigerator before purchasing to make sure the dispenser will fit perfectly in.
•Intimate Detail Design: The top of the water filter pitcher is designed with a handle, which is easy to carry and lift, and the sliding cover design is convenient for adding water and can isolate the odor of the refrigerator. The arc design at the bottom makes it easy to move in the refrigerator while its sealing design of the faucet can effectively avoid water leakage.
•100-gallon Long Lifespan: To ensure the taste of drinking water, it is recommended to replace the filter（Model number: WD-DF-AL）every two months. Thanks to the smart filter replacement indicator, you can change the filter in time and enjoy the freshness any time.

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$31.98

$45.99

-30%

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Waterdrop

Waterdrop Alkaline Water Filter Dispenser, Large 40-Cup, Healthy, Clean & Toxin-Free Mineralized Alkaline Water, 100-Gallon, BPA Free, Black (1 Filter Included)

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•𝐓𝐡𝐢𝐬 𝐬𝐲𝐬𝐭𝐞𝐦 𝐃𝐎𝐄𝐒 𝐍𝐎𝐓 𝐥𝐨𝐰𝐞𝐫 𝐓𝐃𝐒 𝐯𝐚𝐥𝐮𝐞. If you prefer low TDS value, please choose Waterdrop 0 TDS Dispenser. (search model: WD-WFD-01L, WD-WFD-01W).
•[Drinking alkaline water is healthier]: Adds a variety of alkaline substances to this water filter dispenser to increase the alkaline value. 3-pack replacement filters are available for purchase! (search model: WD-DF-AL). 𝐓𝐡𝐞 𝐚𝐜𝐭𝐮𝐚𝐥 𝐩𝐇 𝐥𝐞𝐯𝐞𝐥 𝐦𝐚𝐲 𝐟𝐥𝐮𝐜𝐭𝐮𝐚𝐭𝐞 𝐝𝐮𝐞 𝐭𝐨 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐜𝐞𝐬 𝐢𝐧 𝐭𝐡𝐞 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐨𝐟 𝐭𝐡𝐞 𝐥𝐨𝐜𝐚𝐥 𝐰𝐚𝐭𝐞𝐫.
•[6-layer fine filtration]: The 6 layers of fine filtration effectively reduces chlorine, fluoride, taste and odor, aluminum, iron, copper and mercury, ensuring the purity of every drop, tested by a third lab.
•[Smart filter replacement reminder]: The LED indicator light has three modes, and the filter of this alkaline water machine is only due for immediate replacement when the red indicator comes on. With the smart replacement reminder, you no longer have to worry about forgetting to replace the filter.
•[Safe, food-grade material]: The alkaline water filter pitcher is made of food-grade materials, which are natural, lead-free, BPA-free, and safe. Every drop you take comes with ease.
•[Concise and precise design]: This alkaline water filter dispenser offers a 40-cup super-large capacity (21 cups in the body) and 100-gallon or 2-month super long lifespan. The elaborate design also means it can be put in the refrigerator. We made this product with you in mind.

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$43.99

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Waterdrop

[Original] Waterdrop WD-PF-AL Replacement Alkaline Filters for All Waterdrop Pitcher Filtration System, Improved Coffee Taste, Last Up to 100 Gallons (Pack of 3)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•New version: This WD-PF-01A Plus Waterdrop filter matches with All Waterdrop Pitcher Filtration Systems, including models WD-PT-05, WD-PT-05-L, WD-PT-07, WD-PT-04, WD-PT-72, WD-PT-61.
•Healthy alkaline water: Alkaline water is one of the latest health trends. Alkaline water helps slow down the aging process and regulate the pH value of your body. It can also help avert various chronic diseases. Waterdrop alkaline and mineral filter contains mineral material, and the pH level can be increased to 8.0-9.5. You can drink alkaline water at home and stay healthy.
•Improved Coffee Taste: This alkaline water filter can improve the pH of your tap water and turn it into alkaline water. The alkaline water smooths the flavor of coffee by reducing acidity, refines the overall taste for a more balanced experience, and subtly enhances the natural sweetness, making each sip more enjoyable.
•Effective filtration: Using 6-stage water filter technology, Waterdrop water filter replacement tests water to eliminate as many impurities as possible. It can reduce fluoride, chlorine, taste and odor, and heavy metals such as aluminum, iron, copper, and mercury, tested by a third lab. At the same time, it adds zinc, calcium, magnesium, selenium, lithium, iodine, and other minerals and trace elements to your water. Drink more water every day with Waterdrop.
•Ultra-high absorptive material: The alkaline filter replacement employs carefully selected materials with advanced ACF (activated carbon fiber) technology. Its absorption capacity is 10 times higher than that of ordinary filters. The application of the latest Japanese technology assures you of the filter's high quality and stellar user
•Adds minerals to protect your health: This Waterdrop filter can produce over 100 gallons of alkaline and mineral water to help you stay hydrated and to enhance your immunity.
•Fast flow rate: The Waterdrop filter replacement has an extremely fast flow rate of 0.3gpm, giving you instant access to fresh filtered water. The direct filter construction ensures that nothing is retained in the reservoir, which means your water will be clean and pure.

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$35.99

$39.99

-10%

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Waterdrop

[Alkaline] Waterdrop Water Filter for Sink Faucet, NSF/ANSI 42 Certified Countertop Water Filter System, 5-Stage Stainless Steel Faucet, 8000 Gallons, Reduces 99% Chlorine, WD-CTF-03(1 Filter)

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•𝐈𝐦𝐩𝐨𝐫𝐭𝐚𝐧𝐭 𝐍𝐨𝐭𝐞: Does not reduce TDS. Works with standard faucets only. Does not fit pull-out, handheld, spray-style faucets, or faucets with sensors. This water filter for sink faucet is compatible with most standard faucet types. Please refer to the product images for detailed installation instructions. If you're unsure whether your faucet is compatible with the Waterdrop faucet water filter, please take a photo and contact us before purchasing.
•One filter is included in the package. This countertop water filter system is compatible only with the WD-CFF-02 filter. To purchase a replacement, search for "WD-CFF-02." Note: It does not support the WD-CFF-01 replacement filter. This system is compatible with standard faucets only; special-shaped faucets may not fit properly.
•𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐀𝐥𝐤𝐚𝐥𝐢𝐧𝐞 𝐌𝐮𝐥𝐭𝐢-𝐒𝐭𝐚𝐠𝐞 𝐅𝐢𝐥𝐭𝐫𝐚𝐭𝐢𝐨𝐧: Our countertop water filter system uses an advanced multi-stage filtration process that effectively reduces common tap water impurities, including colloids, sediment, up to 99% of chlorine, heavy metals, hydrogen sulfide, and fluoride. This water filter for sink faucet ensures your drinking water is safe, fresh, and great-tasting. (Tested by a third-party laboratory.)
•𝐇𝐞𝐚𝐥𝐭𝐡-𝐄𝐧𝐡𝐚𝐧𝐜𝐢𝐧𝐠 𝐀𝐥𝐤𝐚𝐥𝐢𝐧𝐞 𝐖𝐚𝐭𝐞𝐫: With our countertop water filter system, you can experience the benefits of alkaline spring water, with a pH increase of 1.5 to 2.5 units. This water filter for sink faucet not only removes impurities but also adds essential minerals like calcium, magnesium, and potassium, promoting your overall well-being.
•𝐒𝐥𝐞𝐞𝐤, 𝐒𝐚𝐟𝐞 𝐃𝐞𝐬𝐢𝐠𝐧: Crafted from 304 food-grade stainless steel with a sleek brushed finish, our countertop water filter system is not only aesthetically pleasing but also fingerprint-resistant and BPA-free. This water filter for sink faucet ensures access to clean and healthy drinking water, combining both safety and style.
•𝐋𝐨𝐧𝐠 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐋𝐢𝐟𝐞 𝐚𝐧𝐝 𝐑𝐚𝐩𝐢𝐝 𝐅𝐥𝐨𝐰: Once connected to your municipal tap water, this water filter for sink faucet provides up to 12 months or 8,000 gallons of filtered water. With advanced filtration technology, our system delivers a fast flow rate of up to 1.6 gallons per minute, ensuring both convenience and reliability.
•𝐕𝐞𝐫𝐬𝐚𝐭𝐢𝐥𝐞 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐔𝐬𝐚𝐠𝐞: Our alkaline water filter, designed as a water filter for sink faucet, is easy to install with a simple twist-on setup that fits most standard faucets. It also comes with multiple faucet adapters for added compatibility. Whether you need it in your kitchen, bathroom, RV, or office, this compact countertop water filter system meets your daily water needs, making it perfect for drinking, cooking, skincare, and cleaning. Say goodbye to impurities and enjoy refreshing, alkaline water with our comprehensive filtration system.

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$69.99

$89.99

-22%

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Invigorated Water

Invigorated Water pH ON-The-GO Alkaline Water Filter Pouch- Portable Alkaline Water Filtration System for Your Bottle, Pitcher, Jug, Container - High pH Water - Long-Life 105 Gallon/400 Litre (1-Pack)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•HUGE FILTER CAPACITY - Each ph On-The-Go Filter Pouch can filter up to 1700 cups / 400 litres / 105 gallons of water. You can use it with Invigorated water bottles, pitchers or any other jug or bottle of your choice. The pouch can last for a lifetime of 50 days with an average consumption of 8 glasses per day. An affordable solution to keeping yourself and your family healthy!
•PORTABLE ALKALINE WATER FILTRATION SYSTEM - Our ph On-The-Go Water Filter Pouch is re-seable, lightweight, and portable for multiple uses. Its filter beads can easily filter out harmful materials in the water, such as lead, while allowing minerals like calcium and magnesium through. Our proprietary blend utilizes 10+ kinds of materials to increase alkalinity up to pH 9. This softens the water, making it easily absorbable, while also adding trace elements and minerals.
•IMPROVES TASTE & SMELL, EASY TO USE - Removes heavy metals, chlorine, and some fluoride to give you refreshing, great-tasting water. Whether it’s for drinking, cooking, brewing coffee or tea, our filters are easy to use and reliable. Simply open the pouch, soak the filter and enjoy purified alkaline water anytime & anywhere with utmost ease.
•A SUSTAINABLE SOLUTION - Made from BPA-free food grade materials, Member of The Water Quality Association. Take it along for travel, gym, swimming, hiking, shopping or even to your office. Save the planet by eliminating packaged plastic water usage while enjoying crystal clear purified water on-the-go
•EVERYTHING INVIGORATED - We are committed to providing products for you.

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$19.80

$22.00

-10%

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Waterdrop

Waterdrop Alkaline Chubby 10-Cup Large Water Filter Pitcher with 1 Filter, Healthy, Clean & Toxin-Free Mineralized Alkaline Water (100 Gallons), Up to PH 9.5, BPA Free

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Exceptional quality: The Waterdrop filtered water pitcher features a hands-free, innovative spout lid design that eliminates the need to remove the lid for refilling, thereby providing a dust-resistant solution and convenient automation for water replenishment. To purchase an alkaline filter pitcher, choose the Clear-Alkaline option for added health benefits.
•Natural wood, Fashion choice: The natural wood handle of the water filter pitcher with lid meets the ergonomics design. The Waterdrop filtered water pitcher can be put on one side door of most refrigerator. Product Dimensions: 10.4"*5"*10.1". Please measure your fridge to ensure it fits.
•NSF Certified: This filter water pitcher with lid has passed NSF42 and 372 certifications, which reduces chlorine by up to 97.4%. It also can effectively reduces PFOA/PFOS,odor, iron, and metal ions according to third-party testing while improving the overall taste. An element crucial to any kitchen essentials and apartment essentials.
•5x lifespan: The water filter pitcher with lid has a filter lifespan of up to 200 gallons. With an extended lifespan, you can purify your drinking water for longer. The flow rate of the Waterdrop filter pitcher ensures filtration effect. Replacement filters model: WD-PF-01A. - a pitcher with lid necessity for uninterrupted use.
•Intelligent Indicator:Our Intelligent design of the pitcher ensures a healthier and hassle-free life for users, as you can monitor water quality at any time. Note：This system DOES NOT lower TDS value.

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$32.21

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