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Magnetizer® · Item #4520 · Water
Magnetizer Home Hard Water Conditioner
Magnetic hard-water conditioner that clamps onto the outside of your main water pipe. No salt, no electricity, no chemicals.
Cable ties included. Opens the product page on emediapress.com, where you buy it. Ships direct from the manufacturer.
Results shown are manufacturer test data or results reported by Magnetizer Inc.; every figure links to its source. Results vary.
What it does
- Reduce scale and corrosion in household pipes, water heaters, boilers and radiators (manufacturer data sheet)
- Remove existing scale from inside pipes and improve water pressure (data sheet)
- Installed by the homeowner or with about 30 minutes of a plumber’s time; no power source (data sheet)

The manufacturer’s data sheet

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Documents for this product
What we can show for home water
No residential test report or customer letter is on file for this unit, so no figures are shown here. In the manufacturer’s own words: the home water system “prevents scale from building up inside your hot water heater” (Garrett Shivo interview, 1:21), and the classic presentation’s home segment covers scale in hot-water tanks, softer laundry and less detergent (2:20 on YouTube; the player is in the classic presentation on the proof page). Commercial water-side results (hotel cooling towers, an engineering journal feature, a university) are in the proof page and the slide presentation on the proof page.
Installation
Cable ties are included. Strap the unit around the outside of the line with them — nothing is cut and nothing plugs in. Existing scale is dissolved gradually rather than at once (data sheet); no time figure is on file.