Frontline Plus Spray, when u use the spray it activates straight away (capsules take 24 hrs to spread) and it can also be used to spray directly onto ticks killing them, instead of trying to plucked them out! Killtix colars and good as well- Flea and...
I would not suggest using any Hartz flea products at all. They are made with a cheap pesticide and have been known to cause very bad reactions in dogs. Get a better flea shampoo, like bio-spot or Zodiac, and then after the bath, pick up some Frontlin...
I use frontline on my dog and it works great! We used several other store bought brands and had tick problems until we switched to frontline. Our dog goes into the woods, grassy areas, dog parks, and swimming and the frontline has worked wonderfully....