The Virbac Knockout Room & Area Fogger receives low ratings due to its ineffectiveness against fleas. Many users find it does not kill fleas or their larvae, leading to continued infestations. The product is also considered overpriced for its performance. Pros include the initial knock-back of fleas and its ability to affect other insects besides fleas.
The fogger provides immediate knockdown of adult fleas.
The fogger is effective against other insects besides fleas.
The product fails to eradicate flea infestations.
The fogger does not target flea larvae or eggs.
The product is considered expensive for its limited effectiveness.
The product's effectiveness has significantly declined over time.
Neutral to Positive
Negative
Factors: Effectiveness diminishes quickly
"After using this product one time you will be rid of the fleas. It also does other insects."
"The room with the highest infestation of fleas is worse than ever now! I've had to schedule an appointment with a pest extermination company so the fleas really go away forever."
Due to its high cost and poor effectiveness, this fogger is not recommended for flea control. Consider other methods or professional services for better results.
Advantage II is a mixed performer, effective for some but ineffective for others.
Ineffective flea and tick treatment, causes vomiting in dogs.