Dispelling nutrition myths, ranting, and occasionally, raving

Don’t go with the Flow

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The above promoted tweet showed-up in my feed recently. Ugh. Can we get any more ridiculous? We don’t need special alkaline water and the benefits spouted by Flow are unsubstantiated.

In case you were wondering, the normal pH value of “raw” water ranges from 6.5-9.5. It’s generally somewhere in the middle of this range. According to the WHO, while there’s no health-based guideline proposed for pH, at values higher than 11 eye irritation and exacerbation of skin disorders may occur. At values under 4 redness and irritation of the eyes may occur, and at values less than 2.5 severe and irreversible damage to the skin occurs.

The pH of tap water has to be controlled to avoid damaging the pipes through which it travels. It also needs to be less than 8 for disinfection with chlorine to be effective. Hence, tap water usually has a pH between 7.1 and 8.0, neutral-slightly alkaline.

Despite it’s pH being its claim to fame, Flow doesn’t list the pH value of its water on the website. However, according to an article in the National Post, the founder of the company says it’s “about 8.1”. Essentially, a touch more alkaline than tap water. At slightly over $2 for a 500 ml bottle, it’s considerably more expensive than tap water though.

As I’ve discussed before, your body does an excellent job of “balancing acidity levels” all on its own. You don’t need to spend money on overpriced water to maintain a healthy pH.

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Author: Diana

I'm a registered dietitian from Nova Scotia, living and working in Ontario, Canada. My goal is to help people relearn how to have a healthy relationship with food.

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