10+ Best Alkaline Water Purifier with Review & Buying Guide

Best 10 alkaline water purifiers

The health of our body and mind is hugely affected by the water we consume. Yes, sometimes it is hard to believe, but the human body contains more liquid, and it is enough to understand the importance of water. In the kitchen, we do not only use water for drinking; it is required to making juice, dishes, and all other edible items. Hence in the highly polluted and contaminated world, it is essential to drink safe water. That is why having the best alkaline water purifier is essential. One thing is certain if you have a good purifier, it guarantees good health and a healthy family. 

So, if you are wondering what alkaline water is, here is a short description. pH scale or the potential hydrogen ranges from 0 to 14. The scale of anything between 7 to 14 is alkaline or basic—generally, the pH scale of alkaline water is8 to 9. The potential of hydrogen in normal drinking water is 7. 

In the current market, there are several water purifiers are there. And it is important to the best alkaline water purifier for you and the safety of your loved ones. The more noteworthy benefit is, it balances potential hydrogen levels in your body. In this post, let us look at all the details regarding alkaline water purifiers. If you are looking and reading all the best refrigerator water filter reviews to get the best one for you, here we are providing the 11 best alkaline water purifier, buying guides, and commonly encountered questions. 

Top Eleven best alkaline water purifier Review and buying guide for 2021

Express Water – ROALK5D Reverse Osmosis Alkaline Water Filtration System

If you want to experience what healthy water taste like, you must buy this best water conditioner. This water purifier is an effective water filter, and modern technology adds vital minerals, including Potassium, Calcium, Magnesium, and others. Hence, if you drink or use this water for making food, you will get the necessary minerals supply. Now we are facing the issue of less oxygen supply to our body; this can be stopped if you use this top alkaline water machine. It helps to energize yourself with more oxygen supply and antioxidants. It provides a higher pH supply and balances the minerals and other essentials. This is also considered the best osmosis water filter, and it also comes with the great feature of adding the essential minerals in five different stages. The price range of this best osmosis water filter is under$ 200. 

Product Features

  • It comes with a simple design, and hence installation is a breeze.
  • The product automatically refills the water and saves you from refilling mess. 
  • This filter has a unique leak-free feature and hence automatically shuts off the water flow in case of any leak. 
  • The water filter is fully customizable. Hence you can add additional water filter attachments such as Deionization Water Filter, UV water filter, etc. 

APEX EXPRT MR-2050 Dual Countertop Drinking Water Filter

Over 60 percent of our body contains water, and it is essential to drink pure water for our health. This is where the best alkaline water filter system comes into play and improves health. Apex produces so many water purifiers, including the best 3 stage water filter and other quality water purifiers. This is the reason Apex has featured in numerous best alkaline water machine reviews. It is providing quality and healthy water purifiers since 1997. This water purifier removes the threats such as viruses and other bacteria which can harm your health. The water purification kit is the complete solution for all your worries related to water. The installation process is also easy and can be done without the assistance of any professionals. The carbon block filters of this purifier remove radon, chlorine, mercury, and other elements and make the water pure. The budget is also pocket-friendly, and you can get it for under $200. 

Product Features

  • It removes 99% of contaminants found in the tap water and adds essential minerals such as potassium, calcium, and magnesium. 
  • The installation process is a do-it-yourself model, and hence you can easily install it in your kitchen, and it fits a normal kitchen faucet. 
  • Effective carbon block filter to remove contaminants and adds essential minerals. 

APEC Water Systems ROES-PH75 Essence Series Top Tier Alkaline Mineral pH+ 75 GPD 6

If you are looking for the best alkaline water filters with several certifications, this is the one. It has six stages ROES-PH75 certification to confirm the quality of this alkaline water filter pitcher. It effectively removes the contaminants such as chlorine, Arsenic, Cadmium, Barium, Chromium, Copper, Lead, fluoride, Radium, and other elements. This is the best fluoride water filter pitcher and entirely engineered, designed, and assembled in the USA by selecting high-quality components from around the world. This filter has a US-made calcium carbonate cartridge to increase the pH levels and provide alkaline water. The installation process is easy, and you need to follow the step-by-step guidance provided. This purifier provides good taste and 100% pure. You can store up to four gallons of water inside this best portable water filter. The price range of this product is below $300. 

Product Features

  • The water purifier comes with six filters to remove all hazardous elements from your drinking water.
  • The overall build quality is supreme, and consequently, it lost longer.
  • It is America’s number one rated brand and serving the needs of people for more than 2 decades. 
  • If you register with the manufacturer, you can get additional two years warranty. 

Aquasana OptimH2O Reverse Osmosis Under Sink Water Filter System

If you are looking for the best alkaline water home filter system and want to become free from the tension of impure water, Aquasana is the best option. This product comes with two filters to remove the contaminants. The Aqua Sana’s unique Claryum Filtration and Reverse Osmosis filters 99% of 86 containments (including lead, pharmaceuticals, mercury, asbestos), 97% of Chlorine, 95% of fluoride, etc. This water filter is suitable for even humans and all your pets. This purifier provides the water that is suitable for alkaline water for dogs. Without a doubt, it is the best alkaline filter since it is the first purifier to combine advanced Claryum filtration, Remineralization technology, and Reverse Osmosis filters. The price range of this best water dispenser brand comes under $300. 

Product Features

  • The effective purification technology is more powerful and removes 5 times more contaminants than other RO filter systems. 
  • All the components of this product are made with high-quality material, and hence it will last longer. The assembling and installation of this product are easy and so do not require any plumber. 
  • The capacity of this water filter is 365 gallons. 
  • This product comes with full certification from NSF. 

Naples Naturals – AOK109-BLK-02 109X2 Alkaline Water Pitcher

If you are looking for a fluoride water filter pitcher which is capable of providing pure alkaline water within your small budget, you can purchase the Naples AOK109 model. The best thing about this best alkaline water pitcher is, you can get this for under $100. This pitcher provides a pH level of 9.  It is suitable for you, your kids, and even for pets. Many users are using this water and terming this as the best water for betta fish. The manufacturer claims that the water is full of minerals, and even pets can get all the required minerals that they will get from mountain stream water. If you are a fan of coffee and want to increase the taste, this water pitcher will help you. It removes the foul flavors to provide excellent tea and coffee flavors. The water coming from this filter can be called the best water for coffee. 

Product Features

  • The taste of this alkaline water pitcher is excellent, and hence you will not get any issue in getting dehydrated. 
  • The filter of this water pitcher needs to be changed after 60 days. 
  • It comes with 60 days countdown and lets you know about the correct time for a replacement. 
  • This product provides long life and delivers up to 300 liters of pure water. 

iSpring RCC7AK 6-Stage Under Sink Reverse Osmosis Drinking Water Filter System

iSpring store offers this best alkaline water purifier to provide healthy water. This product is NSF/ANSI 58 certified and comes with a total of six stages filters. This filter is specially designed to restore natural alkalinity in the water and balance the minerals in the water. This best fluoride water filter has a reliable and ultra-safe RO (Reverse Osmosis) filtration system to make your water pure. It effectively removes over 1,000 contaminants with 99% accuracy. The contaminants such as fluoride, chlorine, lead, asbestos, arsenic, sodium, etc. The long-lasting filters are used in this water purifier, and in each stage of the filter, it makes the quality of water better. The reinforced transparent first-stage housing lets you know the life of the filter. The filter system is completely leak-free, and the installation process is smooth. The online support videos guide the installation of this system. This item comes under the budget of $200. 

Product Features

  • The complete protection is provided with six filters, and the last filter adds the essential minerals to the water. 
  • For easy visual inspection, it comes with transparent first-stage housing. 
  • It comes with an additional three long-life filters to remove large contaminants and maintain the RO membrane. 
  • All the components required for the installation come with the product, and the installation is do-it-yourself style. 

Max Water 12 Stage Home Reverse Osmosis System/Reverse Osmosis Water Filtration System

This product from Max Water Store is an excellent choice for well water. Many users are terming this filter as the best water filter for well water. This best alkaline water purifier is made with copper material. This water purifier is an under-sink design water filter and comes with a whopping 12 stage reverse osmosis filter. These filters ensure you supply the purified water all day. Like all the other RO water purifiers, it also removes the impurities such as silt, chlorine, dirt, and also it effectively removes over 95% of lead and mercury contents from water.  Additionally, the five in one Alkaline/Remineralization/ Far Infrared filter alters the pH level to make it more alkaline. It also adds essential minerals to the water. The capacity of this water purifier is four gallons. This best water softener resin comes in six different patterns, and hence the price ranges between $255 to $330.  The water purifier is suitable and easily fixable to all types of faucets, and it doesn’t require any external power to perform the purification. 

Product Features

  • Six different variants are available to choose from. 
  • It has a product-to-waste ratio of 1:2. 
  • The ultraviolet light effectively removes 99% of harmful bacteria. 
  • The water becomes safe to drink with the 12 stages of the purification process. 

NU Aqua Platinum Series 7 Stage Alkaline and UV Ultraviolet 100GPD RO System

Nu Aqua is one of the popular brands in the water purification industry. This purification is good for humans, pets alike. That is why this water purifier is known as the best water dispenser for dogs. The complete water purifier is made with superior quality materials, and it is a made-in USA product. The rigorous research and development in the lab have resulted in producing pure water with consistent and great taste and healthy water. The complete system is made with premium quality quick connect fittings to provide long life and easy installation. This purifier is the best filter for well water since it features five-stage alkaline filters that increase the natural minerals such as iron, calcium, manganese, zinc, selenium, and copper. It not only removes the contaminants and adds minerals, but it also increases the antioxidants in the water. The increased oxygen content helps our body to get more oxygen and become healthy. The price range of this product is below $300, but it costs just a few dollars more than 200. 

Product Features

  • It features five-stage filters to add minerals and remove contaminants. 
  • The water purifier is also equipped with UV filter technology.
  • The do-it-yourself installation is effortless, and you can install this product without the help of anyone by following the instructions. 
  • It comes with an industry-leading warranty of five years. 

Alkaline Water Ionizer, Up to -500mV ORP, PH 3.5-10.5 Water Purifier Machine, Home Alkaline Water Filter.

If you are looking for the best water ionizer, your search will end here. If you buy this water ionizer, it will be a valuable addition to your family and increases the health. The health benefit of using the water from this product is many. Ionized alkaline water generates natural antioxidants by reducing ORP levels. It supports good hydration and other benefits. This attractive and useful water purifier is equipped with everything needed for easy and quick installation in your utility room, kitchen, or wherever you want. This stylish and intuitive water purifier is easy to install with the help of the diagrams, instructions provided in the user manual.

This best water ionizer can provide vitalized, clean, and antioxidant-rich drinking water within a few minutes of its setup. This water purifier helps to reduce the use of plastic bottles and keeps the environment safe. This is well equipped with seven healthy water settings, and depending on the source of water, it produces a pH level ranging between 3.5 to 10—5 alkaline. Every inner filter can treat and clean the water of 6,000 liters. After 6,000 liters, you need to replace the filter. The price range of this product is over $400. 

Product Features

  • The product comes with 7 water filter options. 
  • The advanced electroplate technology and built-in active carbon filters are the highlights of this product. 
  • It comes with self-cleaning technology and treats the 6,000 liters of water. 
  • All the information is available in the LCD backlit display and offers 5 years of warranty. 

AquaGreen Alkaline Water Machine AG7.0, pH 3.5-10.5 Water Ionizer, Home Water Filtration System

If you read many alkaline water filter reviews, it is not hard to find this product in the recommendation. Without a doubt, if your budget is low, you cannot offer this one. The price range of this best alkaline water filter is more than $400. This product helps to improve pH content in your body and enhance immunity. This purifier can produce both acidic or alkaline water as per your requirement. Hence the chances of water wastage are minimal. It comes with seven healthy filter options, and consequently, it gives alkaline water, purified water, acidic water. The built-in carbon water filter removes many harmful pollutants from the water. This filter works for six months, and after that, you must replace it. One thing you must take care of while buying this product is, if your water source is well, it is not the right choice. 

Product Features

  • It comes with an LCD to indicate all the useful information. 
  • This purifier comes with seven different filters to provide pure water. 
  • The filter comes with a life of 6000 liters and offers one year warranty. 

SimPure 6 Stage Reverse Osmosis System T1 – Alkaline Mineral pH+ Water Filtration System

SimPure provides the best alkaline water maker in the current market. This alkaline water filter system comes with six different stages of filtration to get rid of impurities. The osmosis water filtration has three stages pre-filters, pro carbon, pH balancing filter, RO filters to remove contaminants. The RO filter eliminates the most impure elements, SimPure ALK filter help to rebalance water with essential minerals. The faucet of this purifier is made of stainless steel and completely free from lead. The high-quality American fittings and the faucet is of European style. This is the under-sink design and doesn’t need any pump or electricity to work. Hence it helps to save power and fits into the small kitchen space. The cartridge is inexpensive, and it gives the life of one year. The installation and replacement of the filter are easy. The budget of this product is under $200. All the features and the price range of this product make it the best alkaline water system in this price range. 

Product Features

  • It comes with six stages of filter to provide pure water with essential minerals. 
  • The installation process is easy by following the video instructions. 
  • The faucet of this product is made of steel and free from lead. 
  • Customer support is available 24 hours a day, and you can get professional help from the associates. 

Buying Guide

Before buying the best alkaline water purifier, you must consider a lot of points. In the current market, there are the best air ionizers, best hydrogen water maker, kyk alkaline water, best gravity-fed water filter, etc. Hence, you must consider hydrogen water vs. alkaline water and other things. The below points must be considered every time to get more benefits.  

Water Type

First, determine the type of water available in your home. If the water is hard, you must buy one type of purifier and for soft another. The sources of hard water are well, borewell, or water supplied from tanks. The water of rivers, rainwater, lakes are soft water sources. 

Purifiers type

If the available water is hard, you must go for RO filters, and if the water is soft, RO is not necessary. If your home water is full of contaminants, you must buy the best inline water filter with a UV filter. So, if the water is hard and contaminants are also present in the water, you must buy the RO and UV filters. 

Installation feasibility

Whether you are buying the best water shoes for toddlers or the entire family or pets, the installation should be effortless. Almost over 90% of the modern-day best ph balanced water purifiers come with the do-it-yourself type of purifiers. If you have enough space and power inlet option in your kitchen, you can opt for the wall mount purifiers, and on the other hand, if space is a concern, you can choose under the sink purifiers. 


Budget is the main consideration, and it hugely determines your choice. It doesn’t matter whether you read a plethora of alkaline water pitcher reviews or water ionizer machine reviews; your final decision will be based on the available budget. The basic purifiers combined with RO and UV filters will be available from $200, and it can go beyond $400. But if your budget is low, you can search for the best alkaline pitcher or best gravity water filter. However, these types of purifiers won’t work for hard water. 


You can get the best inline refrigerator water filter, best water for hydroponics, best water filter pitcher to remove fluoride, Brita water filter fluoride, best water filter cartridge, and whatnot? However, if they do not serve your purpose, it is not the best one for you. If you are looking for an under-sink water purifier, you need to choose from the wide variety under the sink purifiers. It saves more space, and it is suitable for the modern house where space is a major issue. If you are looking for water purifiers for hiking, traveling, and other purposes, you need to choose the purifiers specially designed for traveling.   


Which alkaline water filter is best?

There are thousands of water filters available in the current market. And it is not easy to tell the best alkaline water purifier without considering your requirements. Hence, take a look at the buying guide provided here and select the best per your needs. However, still, you are looking for the best alkaline filter; you can check the features of the 11 best filters provided above and choose anyone as per your requirement. 

Which brand of alkaline water is best?

APEC, Apex, Max Water, Aquasana, NU are the popular brands in the USA market, and you can choose any one of them. To get the best alkaline water, you can trust anyone the recommend products and their brand. However, we feel Max Water is the best brand considering all its products and features. 

Can you drink alkaline water every day?

The answer is yes, provided you are not drinking over one gallon of water every day. If you consume one or more alkaline water every day, you need to maintain the pH level. The daily consumption of more alkaline water over time will produce more digestive enzymes and gastric juices. On the other side, Kangen alkaline water, enagic alkaline water, and the alkaline water from the best alkaline water purifier supplies the essential minerals to your body and increases the oxygen supply. 

Which is better, alkaline or RO water?

Both RO water and alkaline water come with their own advantages and disadvantages. Alkaline water increases the pH level in the water. On the other hand, RO water makes it more acidic. But in the modern zero water filter fluoride and best water softener salt filters, you can get both these options. Hence, look for the best alkaline machine to get more benefits. 


We all know how essential minerals to our body, and drinking alkaline water is the best way to get the essential minerals. But now, you can confidently say that you know how to buy the best alkaline water purifier and improve your health. Still, if you have a slight doubt about the right product for you, choose any one from the above-provided list. 

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