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Review: Best Flea Fogger

A flea fogger is essentially another name for a fumigation device. It releases a massive amount of insecticide into a room that saturates the air completely. By this action, virtually every nook, cranny and crevice becomes inundated with pesticide particles, turning the entire fogged area into a toxic unlivable space.

In general terms, using a flea fogger should really only be applied as a last ditch method when flea infestation is so severe that other methods of control don't work. Extreme caution must be used when fogging, such as, all pilot lights and open flames must be extinguished, the entire room and/or household must be evacuated for up to 4 hours, and the entire premises must be aired out after returning.

All flea foggers on this list will be effective, when used according to their label directions. Price will be no object, since effectiveness is the prime reason for using one, and the list of the best flea foggers in 2021 will work be effective immediately and have strong residual results to keep on killing long after the fogger has been employed.

Top Picks for Best Flea Foggers

Precor Plus IGR Flea Fogger

Nothing is more effective than the Precor Plus Fogger "Flea Bomb." It uses a synthetic pyrethrin-based insecticide that effectively disrupts a flea's neurological function to kill it. Then, it distributes a residual chemical called methoprene isopropyl that regulates a flea growth cycle, never allowing a larvae to turn into an adult biting flea. One application will effectively treat 750 square feet, so in some cases, you will be able to treat either a room or an entire residence with one can. With a name like "flea bomb," its got to be good.

Enforcer Flea Fogger

If you want a flea fogger that uses natural pyrethrins, than Enforcer Flea Fogger will fit the bill. Natural pyrethrins, made from the chrysanthemum plant, are a bit more environmentally friendly than synthetic made pyrethrins. They are mixed with NYLAR, or pyriproxyfen, which is a growth regulator that keeps flea larvae from growing into biting adults. Each fogger covers approximately 500 square feet, and the residual effect will last up to 7 months.

Adams Plus Flea Fogger

This is probably the best flea fogger you have never heard of, but the Adams 3-Pack Plus Flea Indoor Fogger, 3-Ounce uses the same chemicals as the top rated fogger, so there is no question that it will work. It gives immediate kill with a synthetic pyrethrin ingredient, and keeps on killing for up to 7 months with a methoprene growth regulator. The main difference is in the size of the can, which equates to a smaller room or area size that can be effectively treated, roughly about 300 square feet.

Virbac Knockout Room Flea Fogger

If you have an extremely large room, warehouse, basement area, and want the most coverage, use Virbac Knockout Room Fogger. This spray will treat an approximate 1500 square feet of space, but since it is the most expensive fogger on the list, you'll pay a premium for that. It is made of two synthetic pyrethrin active ingredients, and uses NYLAR as a growth regulator that lasts up to 7 months. According to the EPA, large cans of fogger should not be used in smaller rooms due to a possible explosive situation. Heed that advice when using this bad boy.

Hartz UltraGuard Plus Home Fogger

From a name you know and trust for all of your pet needs, the Hartz UltraGuard Plus Home Fogger may be the fogger for you. Made of natural pyrethrins, for a more environmentally friendly flea fogging ingredient, it uses NYLAR for up to 7 month residual effectiveness. It will fog roughly 300 square feet, which makes it a good choice as a room sized fogger. This is one of the least expensive foggers available, which makes it the best bang for the buck deal on this list.

Buyer's Guide

A flea fogger is a flea treatment that combines many active components to generate a toxic pesticide that kills fleas and other home pests. The fogger emits a very thin mist that swiftly expands to fill the room, killing fleas hiding in baseboards, frames, and ceiling gaps. It takes roughly two hours for a single fogger to adequately spread the pesticide throughout the room and another two hours (post-application) to properly air out the residence so that it is safe for people and pets. Here is a detailed guide for you to choose the best flea foggers from the market.

What Are Some Key Considerations For Buying The Best Flea Foggers?

When looking for the best flea bomb for your home, consider the following aspects to save time and money:

Is It Effective?

Fleas go through several stages throughout their life cycles. A decent flea bomb should be able to kill adult fleas as well as their eggs and larvae. The key to permanently eradicating a flea infestation is to prevent the fleas from reaching adulthood.

Examine the active chemicals in the flea bomb and do some study on them. Adults will be killed by some bombs, which will simply contain a pesticide. You'll want to go with one that includes an insect growth regulator.

This component will have a stronger effect on fleas in their early stages of development, preventing them from laying further eggs as adults. Make sure you do your homework and read product reviews for the brands you're considering.

Will it be effective in preventing future outbreaks?

Fleas and most insects are extremely tough, and even after a severe chemical treatment such as a bomb, they can find their way back into a home. A few stragglers may also make it through the initial impact.

As a result, you'll want to look for a flea bomb that kills for at least two months after it's been used.


Make sure it gets rid of the eggs and larvae as well as the adults during these two months. It's your only chance of keeping numerous generations from making your house their home.

How Do You Use Flea Bombs And Foggers?

To get effective outcomes, the act of setting up flea foggers and explosives requires some effort and time. The fog is a fantastic agent that may reach locations that are otherwise inaccessible, but you must be cautious while setting up the fogging area.

Cypermethrin, permethrin, tetramethrin, pyrethrin, etofenprox, nylar, and S-methoprene are all found in Fogger. The final two components are regulars in insect growth, while the rest aren't. They play an important role in destroying flea eggs and larvae. The remaining elements are lethal to adults.

Flea foggers and bombs are effective, but only if you carefully follow all directions to avoid health problems. It's crucial to be cautious, especially if you have children or babies at home. Before turning on the foggers, make sure everyone in the household, including pets, is out of the house.

After you've disinfected the entire house, clean any items that may have come into touch with the aerosol. Furniture, linens, clothing, children's toys, and anything else that a child could touch fall into this category.

It would be ideal if you could leave the carpets alone for a few days to allow the pesticide to do its job. When you decide to go on vacation, try using foggers, and when you return, make sure to open the windows and doors to let the air out before entering the house.

What Are The Best Places To Get Flea Bombs And Flea Foggers?

If you've decided to purchase flea bombs, there are several stores where you may find high-quality products. However, be sure it's from a reliable company.

Although you can still obtain it in other stores, we recommend making your purchase through E-commerce sites like Amazon. Just make sure you conduct some research on the company to determine if they produce high-quality goods. It will be far more valuable than investing a large sum of money with a firm you have never heard of.

Because e-commerce sites like Amazon offer so many products and offices in so many countries, it will be easier to find the best flea fogger and place an order right away.

What Are Some Important Factors To Consider While Buying The Best Flea Foggers?

Controlling the enormous number of fleas might be difficult due to their rapid reproduction. When you use the appropriate flea fogger, you may rest assured that all fleas and other insects will perish.

There are so many flea bombs on the market nowadays that picking the proper one might be difficult. If you're looking for a flea treatment for your house, there are a few things to think about to make sure you obtain the most effective flea bomb. They will assist you in selecting a fogger that meets your requirements.


You may believe that all flea floggers are the same, but this is not the case. Good flea bombs will only work if you purchase a high-quality product that can kill the flea as well as the rest of its life cycle. Some flea bombs are made to destroy the pest rather than the eggs.

Choosing a fogger capable of destroying the eggs will ensure the eradication of the entire generation. Choose a product that has active flea-killing chemicals like Pyrethroid or Pyrethrin.


A flea product you buy should be adaptable. Do not purchase the product solely to eliminate fleas. Other potentially harmful pests may be present in your home, necessitating the use of flea foggers to eliminate them. So go for the flea bombs that may destroy fleas, ticks, ants, roaches, ants, moths, mosquitos, spiders, and a variety of other pests.

Inhibition To Re-Infestation

Choose a flea fogger that can prevent bugs from re-infesting for up to 7 months. Some insect growth regulators can kill eggs for up to 210 days. The transformation of insects into adults should be prevented by an effective flea fogger.

The Amount Of Space In Your House

Flea foggers are available in a variety of sizes to fit a variety of room sizes. If your home is large, you should consider purchasing a large bomb. This ensures that no regions remain un-sprayed. Remember that a flea infestation can spread quickly, so you must treat your home on a frequent basis to ensure that all areas are properly covered.

Best Flea Foggers FAQs
Q: For How Much Time Do I Need To Leave The Flea Fogger?

A: Leave for 2 to 4 hours, or even longer, after treating your home with flea foggers, as directed in the fogger's instruction booklet. Keep in mind that you'll need to evacuate your family and pets for a few hours while you bomb your house. Pesticides can damage your health if you are exposed to them for an extended period.

Q: Do foggers instantly kill fleas?

A: Flea foggers, often known as flea bombs, spray a dense cloud of insecticide that swiftly kills adult fleas and other insects. These foggers are simple to operate, but you, your pets, and your children will need to leave the house for a few hours while the fogger works.

Q: Will there be fleas after the bombing?

A: Foggers also only cover surfaces, making it difficult for them to reach the dark, damp corners where flea larvae prefer to hide. As a result, you might need to use many flea bombs. As a last rebuttal to foggers, the pesticide they deposit will vanish whenever vacuumed or dusted, eradicating the temporary protection.

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