There are no "IFs" here, mooney as to whether the program works or not The program works if it is done faithfully and correctly. Those are the only two "if's". I think Boem posted once about the Clarkia not being much good now that it is not the origial Clark strength. I tried it in the beginning. Didn't have much luck seeing killed bugs. What is your health worth? I don't own any greater asset, myself.
Best of luck in what you decide to do.