Learn how to effectively use Terro's Ant Dust Insect Killer (T600) to eliminate ants quickly and safely from your home. Easy application tips included.
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Ant Dust Insect Killer (T600) by Terro

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Ant Dust Insect Killer by Terro should be applied carefully and directly to areas where you see ants or expect ant activity. Before you start, make sure children and pets are away from the area, and use gloves if you want to avoid skin contact.
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Call now for same-day, eco-friendly pest control
With over 20 years of experience, Anchor Pest offers personalized, chemical-safe quarterly subscriptions, protecting homes and businesses across Manchester and surrounding counties with ongoing peace of mind.
Ant Dust Insect Killer (T600) by Terro is a ready-to-use powder pesticide designed to kill ants and other common crawling insects. It is a dry, dust-like substance that contains a chemical ingredient known as deltamethrin, which is a type of synthetic insecticide. This product is especially made for people who are dealing with ant infestations in their homes, gardens, or yards and need an effective way to control and eliminate these pests.
Ant Dust by Terro is formulated to work on contact and as a long-lasting barrier. The active component, deltamethrin, targets the nervous system of insects. When ants or other insects walk through or come into contact with the dust, it clings to their bodies. The chemical then disrupts their normal nerve function, resulting in paralysis and eventual death to the insects.
This dust formula does not need to be mixed with water or any other solution; it comes ready-to-use right out of the container. Unlike sprays or liquid insecticides, the dust can reach into cracks, crevices, and other hard-to-reach areas where ants and other pests often travel or create nests.
While the product is mainly called "Ant Dust," it kills more than just ants. The manufacturer lists that it is also effective against a variety of other crawling insects found around homes, such as:
So, it offers broad-spectrum protection against a range of invasive bugs.
The way Ant Dust Insect Killer (T600) works is based on its ability to create a protective barrier. Once the dust is placed in the areas where ants enter, travel, or nest, any contact will result in the insect picking up the powder. Deltamethrin then acts by disrupting the bug’s nervous system, which is lethal to the insect. The dust remains effective and active for months if not removed or washed away, which means it can keep killing new insects that come into contact with it.
Ant Dust Insect Killer is intended for use in and around homes, such as:
It’s versatile and can be used both indoors and outdoors, making it useful for keeping pests out as well as treating active infestations.
The active ingredient in Ant Dust, deltamethrin, is commonly used in professional pest control but should be handled with care. This product is regulated by the Environmental Protection Agency (EPA) in the United States, which means it has been evaluated for safety and effectiveness when used as directed. The dust should be kept away from children and pets, as it is poisonous if ingested or inhaled directly.
Ant Dust Insect Killer (T600) by Terro is a powdered insecticide for killing ants and other crawling insects around the home. It uses a powerful, professional-grade chemical (deltamethrin) to provide immediate and long-lasting protection against pests. The dust is easy to apply, stays effective for months, and is suitable for a wide range of indoor and outdoor applications, making it a comprehensive solution for people struggling with ant and insect problems.
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Trained experts identify entry points and nesting areas
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Pet and family-friendly methods used
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Targets entire colony, not just visible insects or rodents
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Long-term exclusion strategies
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Proper cleanup and sanitization
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Service warranty and follow-up visits
Complete property assessment within 24 hours
Safe, effective treatment of entire colony
Long-term exclusion and monitoring
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