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Valued Contributor
Posts: 555
Registered: ‎03-12-2010

Which is best...K9 AdvantageII or Frontline?

Am changing my NiKi from comfortis & figure to go to one of these. By the way comfortis seems to do nothing for ticks! And he had his Comfortis on May 1st, can I just start the other on June 1st? Thanks.