Petcor Flea Spray - Questions & Answers

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Petcor Flea Spray$18.94

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What order do I treat?
I have ordered the Petcor spray and the indoor flea kit. Should I treat 1 room then the cats then put the cats in that room, then treat the rest of the house? What are your suggestions?

A It really will not matter what order you do the treatment in as long as you do the treatments on the same day. Any adult fleas that jump off of the cats will come in contact with the deposits of the Ultracide and the Flea Stoppers within short order. The cats must be out of the area while you apply the Ultracide but can return as soon as the application is dry.

Can I use Petcor if I have already applied Frontline Plus to my dog?
Can I use Petcor if I have already applied Frontline Plus to my dog? Also, if I use Ultracide indoors, what should I use outdoors (concrete & wood deck)?

A Yes, Petcor Flea Spray can be applied after Frontline or Advantage.  This is because Petcor is a contact kill only and is for immediate results.  Petcor will kill on contact but will not protect long term like Frontline or Advantage, so you can use the Petcor as needed.  Ultracide is a great choice for indoor use.  For outdoor use we recommend using a combination of Conquer and Archer IGR together in the same one gallon hand pump sprayer.  They provide a great one, two punch and is our most popular sellers for outside flea control. 

Doesn't spraying Petcor Flea Spray on a cat cause problems since cats are constantly cleaning themselves?


A No.  Petcor Flea Spray is only a contact kill and does not leave a residual for any long period of time.  Also, this product uses pyrethrin to kill the fleas, which is a natural plant extract from the chrysanthemum plant.  It is not any more harmful than the flowers and bugs most cats eat in the backyard already. 

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