Pros

  • Highly effective in eliminating cockroaches, with noticeable results by the next morning.
  • Lonasting results with reduced sightings of live cockroaches.
  • Suitable for various applications around the house, including bricks, cracks, and garden areas.
  • Effective in preventing roaches and spiders when applied around entrances and house perimeter.
  • Stops sugar ants from entering through window trim.
  • Considered a cosffective and efficient alternative to hiring an exterminator.
  • One bottle makes 2 gallons, useable for four to five applications.
  • Offers lonasting protection for various points of entry, including doors and windows.
  • Highly valued as the best product by users for its insect control capabilities.

Cons

  • Ineffective for killing fleas, even after extensive use.
  • Requires multiple applications throughout the year for consistent results.
  • Users unhappy with lack of effectiveness for fleas, some considering a refund.

Bottom Line

Black Flag Extreme Home Insect Control Concentrate is highly effective for cockroach and spider infestations, offering a cost-effective alternative to professional pest control services. However, it falls short in dealing with fleas, so you might need additional solutions for such pests. Overall, with its excellent performance and value, it's a worthy choice for general indoor and outdoor insect control needs.

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