[quote]
If it was that big of an issue, I would have expected to have heard a lot more from the many thousands of customers.
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Because i bet that most of your customers have used several treatments at the same time.
Look at the "study" that you have mentioned again and again as a proof of the efficiency of your zapper : it is about using a zapper with others treatments at the same time. And the results are vague, and there is no proofs of die off, only "improvements", which does not mean anything.