Ask The Water Doctor

Answers to questions about problem water, reverse osmosis, filtration and water softening

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DVGW-512 – Urban Legend?

February 11th, 2010 · 5 Comments

More and more people are wondering if it really exists?   DVGW-512 is allegedly the standard for testing salt-free water treatment systems.  In fact, one company (WATTS) is claiming (in a convoluted, round-about way) that their product is approved by DVGW-512.  Check out this LINK if you want proof.  While they don’t actually “LIE” they lead [...]

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Tags: Salt-Free

Salt-Free Water Treatment is “Caveat Emptor” (Let The Buyer Beware)!

July 7th, 2009 · 2 Comments

Salt-Free Water Softener. Salt-Free Water Conditioner.  There are several companies selling their products on the Internet who call their salt-free water treatment systems “water softeners” or “water conditioners.”  In a previous post, I discussed how using the terms “softener” or “conditioner” are inherently misleading at the least, and deliberately deceptive at the worst.  To my [...]

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Tags: Salt-Free

What is the best drinking water system?

February 21st, 2007 · 15 Comments

There is no “BEST” filter or system, but there are several questions you should ask yourself to determine which type of system is best for you. There are also some questions you should ask if someone is trying to sell you a water treatment system. First of all you need to determine why you want [...]

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Tags: Reverse Osmosis