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Many pet owners opt for carpet sprays or powders to treat their dogs because they are much less expensive than topical flea treatments, flea bombs and other methods of killing fleas. The best flea carpet spray and powders can serve many purposes, as they can be used on furniture, carpeting and other upholstered items in your home and vehicle.

A dog flea powder is extremely effective at preventing flea re-infestation around your home and in your yard, but it generally shouldn't be used on your pooch. A flea carpet spray works similar to powders but can be more convenient in some instances.

Both of these products, when applied to carpet or other surfaces, work their way down through every fiber with the help of gravity and foot traffic. This is important because there's actually only a small percentage of fleas living on your dog. The majority of the infestation is in your home – on your furniture and in your carpets.

If you notice fleas on your dog, it's already too late. Many of them have already dropped off of your pet and set up shop in your carpet and whatnot. By this time, you'll need to get rid of fleas on your dog but also use some of these best flea carpet spray or powders to prevent the parasites going back onto your dog or even yourself.

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Life Cycle of a Flea (And How It Infests Your Carpets)

Fleas are parasites, which means they feed off other organisms in order to survive. Fleas are generally introduced into your home by hitching a ride on your pooch to their final destination. Once inside, they make themselves at home for good and begin spreading.

While still attached to the host (your pet), female fleas lay eggs. A flea can lay up to 50 eggs per day. Since the eggs are not attached to your dog in any way, they will drop off around your house. You won't see them most of them time until they hatch.

Lifecycle of a fleaThink about all the places that your dog sleeps during the day. Every time the dog lies down, flea eggs will fall off. That means that eggs will drop onto your pet's bed, your carpet, your furniture, etc.

Depending on the environment, the eggs will hatch within 2-12 days. It can take as long as 200 days for the larva to grow into flea pupa (adult flea). However, if the environmental conditions are ideal, this process can take as few as 4 days.

These new adult fleas need to feed on blood, so they will begin looking for a host. While they are only about 1/8″ long, fleas can jump up higher than 12″ into the air to hitch a ride on a host, which makes your pets – dogs and cats – the perfect target for them.

You may be thinking that most of the fleas in your household will end up dying due to lack of food, but that's wrong. Adult fleas can live up to 2 weeks without a host, which means they'll be festering in your carpet for a while, waiting for you or the dog to walk by.

Using some of the best flea carpet sprays or flea powders is the only way to ensure that you kill all of the little pests living in your rugs and your couch. If you only treat the dog, he'll end up becoming infested again from these new fleas still living around your home.

Flea powders and flea carpet sprays aren't recommended for use on your dog, because they need to be reapplied often to be truly effective. To deal with fleas on a dog, there are more effective options, like flea collars and flea pills. However, you can still use the flea sprays and powders on your dog, as long as you remember to reapply them regularly.

The Best Flea Carpet Spray and Powders

1Virbac E.S. Area Treatment Flea Carpet Spray
by Virbac

Virbac E. S. Area Treatment Carpet Spray contains permethrin, pyrethrin and the insect growth regulator (IGR) pyriproxifen. These components kill exposed adult fleas and inhibit the development of eggs so that they don’t become full-grown adult fleas. This spray covers an area of about 2,100 square feet, and is ideal for spraying on carpets, dark crevices, lawns, and other spaces inhabited by fleas.

Pet owners say that they’ve had success with eliminating fleas by adopting an integrated approach for pest control. This best flea carpet spray does not do it alone; instead, it works as a follow-through after the initial treatment and kills the next generation of adults and larvae.

Majority of those who've tested this flea carpet spray recommend a thorough vacuum-cleaning before each spray to mechanically remove pupae and/or cause them to emerge from their protective cocoon. Continue this routine until all eggs shall have hatched and all pupae shall have emerged. Virbac E.S. Area Treatment Carpet Spray has residual potency, yet leaves no mess, grease, odor or stains.

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As part of the integrated approach, pet owners must make sure that they regularly bathe and groom their dogs and other pets checking for fleas and ticks each time. Most adult fleas are on the host’s body. But since the rest of the fleas in pre-adult stages are mostly in the environment, you can’t take chances. You must always keep a Virbac E.S. spray handy to use when you notice adult fleas emerging.

PROS:

  • Kills adult fleas and inhibits the development of eggs
  • Covers 2,100 square feet
  • Can prevent infestations from developing for up to 7 months
CONS:

  • We were not pleased with the odor left behind after using this spray

 

2Knockout Area Treatment Dog Flea Spray
by Virbac

The second best flea carpet spray comes from Virbac. It knocks out adult fleas and larvae dead with the combined potency of tetramethrin and phenothrin. However, flea eggs make up about half of the flea population in any given day, and they don’t die with the two mentioned components.

Fortunately, Knockout Area Treatment spray contains another pesticide, the IGR pyriproxyfen. It damages the flea eggs so they don’t develop into adult fleas. The IGR in Knockout Area Treatment spray has a residual potency of up to 120 days, affecting eggs laid and larvae within that period.

Pet owners say they’ve tried many chemical and natural-based flea treatments before, and completely eliminating fleas is not only tedious, it’s also expensive. After several trial-and-error attempts, they’ve settled on using Knockout Area Treatment by Virbac. It’s effective and is the best flea carpet spray for adult fleas, larvae, and eggs, and stays to be effective 4 months after the first application. This spray reaches deep corners, cracks, and other flea hotspots.

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Pupae, or fleas in the dormant stage, are the hardest to beat because they’re protected by a watertight coating. Pet owners have a way around this. First they vacuum-clean their home and then spray with Knockout. Vacuuming usually awakens the dormant fleas and makes them emerge. Once exposed, they become vulnerable to Knockout.

PROS:

  • Kills adult fleas and larvae dead
  • Damages eggs so they cannot develop and hatch
  • Residual potency harms eggs laid and larvae for up to 120 days
  • One fogger is effective for a 6,000 cubic foot unobstructed area
CONS:

  • The nozzle of the can would clog sometimes after just a few moments of spraying

 

3Vet's Best Flea & Tick Yard & Kennel Spray
by Vet's Best

When chemical-based sprays are not an option, such as the case with sensitive animals and humans, the Vet’s Best Flea and Tick Spray is a great choice. This is one of the best flea carpet spray because it kills fleas, flea eggs, ticks and a host of other pests.

It’s made from natural ingredients like peppermint oil and eugenol from clove and does not contain pyrethrin, permethrin, and other chemical-based pesticides. This flea and tick spray covers up to 4,500 square feet of area, and is formulated for outdoor use.

It’s safe to use on the patio, lawn and other outdoor surfaces, even when pets and humans are around. Vet's Best Flea & Tick Yard & Kennel Spray is made in the USA and has been a trusted brand for over 30 years. It has a strong and minty aroma that pests obviously don’t like, but humans tolerate so well. In fact, they like the scent so much because it smells of plants and essences and is a whole lot safer than synthetic fumes.

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This best flea carpet spray was particularly useful in states known to have high flea population. Dog owners spray this on flea habitats, even on their pets, and on fences to repel fleas from their neighbors. In just 2 weeks, they say that their homes have become flea-free with the Vet’s Best spray. They only wished it came in a larger size, but were happy to note that it came with a hose, is very convenient to use, and very effective at that.

PROS:

  • Kills fleas, flea eggs, ticks and a host of other pests
  • Made with natural ingredients and doesn't contain chemical pesticides
  • Covers up to 4,500 square feet of space
CONS:

  • The spray does not cover nearly as large of an area as it claims to
  • Works better on fleas than it does on ticks

 

4Zodiac Carpet and Upholstery Aerosol Spray
by Zodiac

Zodiac's aerosol spray has potent ingredients that will help you be more successful in your efforts against killing fleas, which is why it lands on our list of the best flea carpet spray. It contains permethrin, a chemical pesticide that kills fleas and larvae. It also has (S)-methoprene which stops eggs from being hatched. This is water-based, has no odor, and leaves no stain. It treats an area of up to 2,000 square feet.

This has an almost instant effect, according to users of this product. For those who have struggled months and years of living with fleas in the house look at this as a heaven-sent anti-flea product. They spray Zodiac Carpet and Upholstery Aerosol Spray on the couch, furniture, the floor, and wherever that the tiny bugs frequent. In as short as an hour, they notice major change. The jumping, biting, and itchiness cease as if there never was a problem.

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Normally, this best flea carpet spray paired with flea treatment of the pet, frequent bathing with anti-flea shampoo, vacuum-cleaning of the house, and other methods to eliminate pests. Zodiac spray is a very effective anti-flea remedy that makes spraying on carpets and furniture really convenient. It does not have an offensive smell, does not stain the surfaces, and it really gives the results pet owners want. They rely so much on this product that they really don’t want to live without it.

PROS:

  • Water based, which means it does not leave a stain and has no odor
  • Kills fleas, flea eggs, flea larvae and ticks
  • Treats an area up to 2,000 square feet
CONS:

  • The formula has changed recently and it does not work as well as it did before

 

5 Bio Spot Active Care Carpet & Upholstery Powder for Fleas and Ticks

This anti-flea and anti-tick powder from Bio Spot acts by disrupting the life cycle of fleas and ticks. It contains pyrethrin and piperonyl butoxide that kill fleas and ticks in the adult and larval stages. Since there will be fewer adults to breed, the exponential increase in the fleas’ population is interrupted.

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After the powder’s full effect sets in, what will only remain of the fleas will be those eggs already laid and those in the pupal stage. Nylar, an IGR ingredient, inhibits the growth of flea eggs and disables them from further developing. Another component that makes this one of the best flea carpet spray is Linalool, which is a plant-derived alcohol. It serves both as a pesticide and scent.

One canister of Bio Spot Care Carpet & Upholstery Powder for Fleas and Ticks treats about 400 square feet of area, which is more than a lot of other best flea carpet spray brands discussed before. Pupal fleas are not directly affected by these pesticides which often cause frustration to pet owners.

We've seen how the Bio Spot powder eliminated fleas and we're elated with this initial success. In as short as a week, they’d see another batch of adult fleas. Those who know well the life cycle of fleas realize that those fleas were most probably the pupae that have just emerged. It’s not as if another generation was suddenly reproduced.

The good thing is that they are now exposed and vulnerable to the pesticide. In fact, the residual effects of the powder would still be so potent that they’d surely get killed upon exposure. Only when all fleas in all the four stages have been eliminated can it be said that the war over them has been won. Needless to say, Bio Spot powder must be used only as a part of a flea control program and not as a lone cure.

PROS:

  • Kills adult fleas and eggs
  • Kills ticks
  • Covers about a 400 square foot area
CONS:

  • Did not seem to work on fleas in the pupal stage

 

6Adams Flea Carpet Powder
by Adams

Adams Carpet Powder uses the active ingredients pyrethrin and piperonyl butoxide, which target exposed adult fleas and larvae. As the last on the list of best flea carpet spray brands, this one contains the insect growth regulator ingredient, Nylar, that damages the flea eggs which make up more than half of the population of fleas in any infested area at any given day.

Another component is Linalool, a plant-based pesticide. The Adams flea powder effectively treats an area between 200 and 400 square feet, and prevents re-infestation for up to a year. It has a pleasant citrus fragrance.

Homeowners dealing with flea problems in their homes were very glad at how effective and fast-acting this product is. When the instructions are followed to the letter and Adams Dog Flea Carpet Powder is allowed to sit long enough on the carpet or furniture, it kills fleas immediately and prevents their reemergence.

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Dog owners note that while this is a potent insecticide that eliminates fleas on carpets and the surrounding flea habitats, it will continue to be effective only when used in conjunction with other products. For instance, a separate treatment must be used on the host of the fleas – the dog. Otherwise, this would be a futile effort because the host, in all probability, would still harbor the fleas and continue to feed them. As in any fight, understanding the enemy is the key, and in this case, all the enemy’s four stages must be understood.

PROS:

  • Kills fleas in every life stage and kills ticks
  • Effectively treats an area between 200 and 400 square feet
  • Prevents re-infestation for up to a year
  • Pleasant citrus fragrance
CONS:

  • We didn't enjoy the citrus scent

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