best zapper for hookworms? 77-900khz?

I am in need of a zapper to hit this parasite infection hard. had been on herbal (wormwood etc), and know for sure it is parasites. I compared a specimen which came out of me and looks like, and symptoms are, a hookworm infect. Can anyone reccomend a modestly ($150.or less)priced one which is within the prescribed range of 77-900khz ? I do not have a Hulda Clark book but that range seems to cover the gamet of them. If anyone knows offhand the freq. of hookworms I would apprciate the insight.
I am in the states(N.J. area)

Please help.