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Bio Spot Defense for Dogs

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The Bio Spot Defense for dogs is very effective spot on for dogs. It starts killing fleas and ticks within 15 minutes of applying. The water resistant formula kills fleas, ticks, flea eggs, flea larvae and repels mosquitoes.

The tip of the Smart Shield Applicator parts hair to help get the liquid down to the skin. The ergonomic no drip applicator helps with easy handling and ensures that the liquid goes on your pet's skin, not your hands. It should not be used on cats and dogs less than 6 weeks old.

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Bio Spot Defense 80 lbs and Above

Bio Spot Defense 80 lbs and Above
Pack SizeQty.Old PriceDiscounted
Price ( 33% Off )
3 TUBE $ 32.82$ 21.99 Add to Cart

Bio Spot Defense for Dogs


It is advisable to read all the warning and direction on box before applying it. Please keep it out of reach of children.


The active Ingredients are:

  • Etofenprox 30.0%
  • (S)Methoprene 3.6%
  • Piperonyl Butoxide 5.0%
  • Other Ingredients 61.4%

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Congratulations to the winner of this month's Question of the Month, dalay f. who wins $100 for the following question:

Ask a Vet winner

I bought advantage 2 for my dogs. I have 4 and three of them weigh about the same. The smaller one weighs about 25 lbs. I need to know why the advantage is not working on them and also if you could recommend a flea and tick medicine that will work. They stay inside more than out. My girls are itching up a storm and I feel bad for them. Please help us. BTW Sable was a few months younger in the picture. Thanks, D. Ford ...?

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