I am planning to try the biospot stuff when the Adams I am currently using runs out. I was using the Frontline Plus, but it basically stopped working for me about 6 months ago. I've used it for several years and never had any fleas and then about 6 months ago it seemed like it didn't last even a week anymore. By the time I got to the end of the box, i was doing good if it got rid of the fleas for even a few days. I finally started using the Adams Mist at the suggestion of a friend and that has gotten things under control. It is a pain to use, because the boys hate it andyou have to use it every week.
A friend who works where I get my dog food suggested the Biospot , which they had just started selling, so i plan to try it when my current supply of Adams runs out. If anyone knows anything about it, I'd like to know also.
Tom