Is an Alkaline Water Machine Good or Bad?

woman drinking alklaine water

If you’re considering investing in an alkaline water machine you need to know the good and bad points before parting with your cash. Is an Alkaline Water Machine Good or Bad? Below we cover everything you need to know about the device and walk you through the key good and bad points of the device.

Article Overview

Disclaimer: The following article is for informational purposes only. It does not represent professional medical advice. If you have any concerns related to the use of an alkaline water machine or the consumption of alkaline water – you should consult a medical professional for advice.

The Good

Is an alkaline water machine good or bad? Let’s take a closer look. Below we run you through the good and bad of an alkaline water machine. First up, let’s take a look at the good points you can expect when you purchase and start using the device.

a glass of ionized water from an alkaline water machine

Cheap Alkaline Water

One of the best things about installing an alkaline water machine is the access to cheap alkaline water. The device will be fitted to your regular tap water supply and will use this water to generate alkaline water. This means you will save money over time. Although the device comes with a significant price tag you will begin recouping your layout as soon as you start using the machine.


Water alkaline machines are super convenient. They provide round-the-clock access to alkaline water at the touch of a button. No more leaving your home to stock up on shop-bought alkaline water. All you have to do is wander into your kitchen, power on the device, and press a button. Within seconds you will have a glass of freshly ionized alkaline water.

Water Filtration

Another great feature of these devices is built-in water filtration. All the [best] alkaline water machines come equipped with built-in water filtration systems as standard. These machines filter your tap water before the source water even enters the ionizing chamber. Water filters remove the most commonly found toxins and contaminants from your water – leaving you with cleaner, safer, and better-tasting drinking water.

No More Bottled Water

When you invest in an alkaline water machine you will no longer have to buy expensive bottled alkaline water. You can simply make your own at home. At the press of a button, the device will convert your regular tap water into freshly ionized alkaline water. This saves money and reduces demand for plastic bottles. Switching to an alkaline water machine is an eco-friendly choice.

Easy to Use

Alkaline water machines are easy to use. The top models on the market use color LED touchscreen displays that are easy to use and simple to navigate. Many devices have added speech responses so the machine can ‘talk’ to you as you make your way through the menus and settings. They even come with dedicated faucets so you can keep your existing tap faucet if you want to access regular tap water.


The Bad

Now we’ve covered the good points for – is an alkaline water machine good or bad – let’s take a look at the bad. What are the bad points you need to consider before buying a home device? Here’s what you need to know before you commit to purchasing one.

woman holding a glass of water from an alkaline water machine


One of the key ‘bads’ of an alkaline water machine is the price. They come with a significant price tag and the best models retail for anywhere between $3,000 and $5,000. They’re not cheap and if you’re planning and investing in one, you’ll need to weigh up if the cost-benefit will work for you and your family. The good news is, once you invest in a device you no longer have to buy bottled alkaline water.

Limited Scientific Evidence

Although fans of alkaline water beat are quick to promote the benefits of drinking alkaline water – the truth is there is very little scientific evidence out there to back up the claims. Many people claim alkaline water has helped boost their health and neutralize excess acidity levels. However, the empirical data to verify these claims is thin on the ground.

Existing Water Supply

The performance of an alkaline water machine is largely linked to the quality of your existing tap water supply. The device can only do so much with the source water and it will have an impact on how alkaline or acidic the output water generated will be. Some water sources can be more easily converted to alkaline water and as such will have a higher pH. Certain regions in the US have tap water supplies that are more difficult to convert to water that is significantly alkaline.


Alkaline water machines require installation. Most people will need to hire a professional plumber to take care of the water piping requirements. If you have some home DIY skills you may want to tackle it yourself. Most devices come with a set of easy-to-follow installation instructions. However, many buyers will need to get a professional in to ensure the device has been safely installed.

Waste Water

Wastewater is an often overlooked bad feature of an alkaline water machine. When the device converts regular tap water to alkaline water, it also creates an equal amount of acidic water. Most people discard this acidic water as it is not needed. However, it has several useful applications such as kitchen cleaning, sterilization, and plant care.

Is an Alkaline Water Machine Worth It?

lady smiling and making a hand gesture

An alkaline water machine costs between $3,000 and $5,000 dollars. They represent a significant investment. Figuring out if the device is worth the price tag is key to knowing if it is a wise investment for your home.

It all comes down to how much you intend to use it. We estimate that an alkaline water machine is worth it if you generate 208 gallons of homemade alkaline water. Check out our full guide – Is an Alkaline Water Machine Worth It for more info.

How Does an Alkaline Water Machine Work?

An alkaline water machine, also known as a water ionizer, works using an electrochemical process known as electrolysis. The device fills an internal chamber with source water and then applies an electronic charge using a positive and negative electrode.

Alkaline water is drawn towards the negative electrode where it is collected and then dispensed by the device. Check out our full guide – How Does an Alkaline Water Machine Work for more info.

What Is Alkaline Water?

pouring a glass of alkaline water

Alkaline water is water that has a pH greater than 7. It is the opposite of acidic water. Water with a pH of 7 is neutral – it is neither alkaline nor acidic. Alkaline water has become popular in recent years among people who believe it comes with a range of health benefits. However, there is little evidence to confirm these potential health benefits. Check out our full guide – What Is Alkaline Water for more info.


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