How to make a cheap and effective inductive ballast

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Original poster: "miles waldron" <mileswaldron@xxxxxxxxxxx>

Get two spools of 400 feet of #14 wire from Lowe's . Zip tie each spool into
a nice tight 8" coil. Submerge the coils in cold water with the winds facing
each other. Turn on the ballast circuit and see if the coils are drawn
together or pushed apart. In one particular measurement, when the coils were
arranged so that they pushed apart, the overall circuit passed 67 amps, and
when the coils were attracted together, the same circuit passed only 42
amps. The pushed apart coils submerged in water inductive ballast only costs
about $40 to make, and is a great ballast, and heats shower or bathing water
very quickly.

Ideas, comments, suggestions, and verifications very much appreciated.