NSF Bleach for Drinking Water

  Laundry bleach is not intended to treat drinking water. If you have a well or pump house, be sure to find a source for American National Standards Institute/National Sanitation Foundation (ANSI/NSF) Standard 60 certified drinking water treatment chemicals. Pool supply stores often have NSF Standard 60 Chlorine Bleach and non-chlorine

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Zapper Kit Frequency Variations

I’ve been playing with my Hulda Clark Zapper Kit using the nifty Frequency Variations PDF. I have used it to make several different zappers, mostly in the lower frequency ranges. Hulda Clark published two Zapper schematics, first the 30 kHz Zapper with copper handles, and in her later books she

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