Re: basic zapper blue circles

Naturally, I am somewhat prejudiced and use ParaZapper products.

That aside, What I have found over the years is:

More contacts is better ( up to a limit ). 4 is great.

Larger contacts is much better as effectiveness is limited by resistance and resistance decreases with greater contact area.

Longer times increases results but rests in between also help.

More frequent usage increases the results.

There are many other important do and don't items in the 80 page booklet " parasite Zapping and the Zapper" available at http://paradevices.com
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