Laboratory tests by independent third parties suggest that magnetic water treatment devices do not deliver the benefits of soft water. Additionally, third party research has consistently concluded that these products do not work in all water conditions nor in a consistent predictable way.
34 separate report papers indicate that physical water treatment does not work in a consistent and predictable way.
Army Corp of Engineers tested two magnetic (Descal-A-Matic and Aqua Magnetic) and one electronic device (Ener Tec) in 2001. The findings do not support the claims of the manufacturers regarding the ability of their respective devices prevent mineral scale formation in hot potable water systems.
Title: Demonstration and Evaluation of Magnetic Descalers
WQA determined no performance test standard for Physical Treatment Devices exists in the US for “Salt Free” devices
Title: WQA Consumer Alert
Penn State University states there is virtually no valid scientific data to support any water treatment benefit from magnetic devices. Companies use testimonials from “hundreds of satisfied customers” to support their claims.
Title: Magnetic Water Treatment Devices
Purdue University tested 6 unidentified magnetic water conditioning devices and compared them to untreated water. Testing lasted for 240 days. No beneficial effect was seen for the magnetic treatment devices.
Title: Quantitative Assessment of the Effectiveness of Permanent Magnetic Water Conditioner Devices
South Dakota Magnet School of Mines & Technology tested two different classes of magnetic water treatment devices. Measurements included boiling point depression, surface tension, water conductivity and “scaling Rate”. No difference seen between raw water and magnets.
Title: Performance of Permanent Magnet Type Water Treatment Device
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