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Alkaline Water Systems and Hard Water

Do you know anything about the hardness of water? If you have an alkaline water system (commonly referred to as a water ionizer) in your home, it’s very important to understand how your particular water interacts with the machine. The higher the hardness of your water, the more difficult it can be for your ionizer to do its job. For most people, this is not an issue, but if you don’t know how hard or soft the water is that you’re drinking, you may want to look into it. This article will teach you everything you need to know.

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As a primer to this course, if you’ve never heard of hard water, check out this wikipedia article which should tell you everything you need to know. The vast majority of homes in the United States have hard water, and by far the states with the hardest water are located in the southwest, including states like Arizona, New Mexico, Texas, and southern California.

So, if you’re located in one of those states or some of the others listed in the wiki link, then you should obtain your water provider’s annual water quality report, which will tell you all sorts of interesting facts about your tap water (also including a list of regulated contaminants, which is actually something that everyone should know).

Now if you’ve learned the hardness of your water, and it’s over 10.5 grains of hardness per gallon, you will want to be careful with what kind of alkaline water system that you purchase.  Anything over 10.5 is considered “very hard,” and if your water is over 12 grains then you may need to install a prefilter, which will prepare the water for going through the ionizer. 

Now if you’re looking at a top of the line machine, then you can stretch this a little further because they have more powerful ionization systems.  But as a rule of thumb, if your water is above 10.5 grains of hardness, I would at least call the ionizer company and ask them for their specific recommendation, and ask to see how their machine has held up to that level of hardness.

If your water is over 17 grains of hardness, you’re going to need two pre-filters in addition to a remineralizing pre-filter because scaling will be prevalent and you’ll need to get some more minerals in there for the ionizer to do its magic. 

Furthermore, if you’re dealing with such difficult water, you will only want to consider a top of the line ionizer, because older or mid-range models will not be able to handle the stress.  The good thing about most ionizer companies is that they offer a money-back guarantee in case you try the ionizer at your home and it doesn’t seem to be reaching the proper pH level.


If you’re looking to learn more about alkaline water systems and their benefits, such as the specific physical effects that you’ll feel once you’re drinking alkaline water on a daily basis, you should really learn about pH and ORP.  The science behind these machines is easy to understand once you read about these two measurements!

Shopping for a water ionizer?  We carry the top quality machines, at the best prices, guaranteed.  Click here to shop water ionizers at Ionizer Oasis.

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