Deadfast Ant Killer Plus Powder is a naturally active ready to use powder for the control of crawling insects. It is effective on ants, cockroaches, mites, flies and many more. How to Use Use as a dry powder only. One application can destroy the nest within 3 weeks. Indoors Apply 10g of product per square metre. Can be used in storerooms, garages and sheds. Can be used on pet bedding and in living areas. Outdoors For dry application. Sprinkle 10g of product on nests around buildings on paved areas. Do not use in windy conditions. Puff powder gently and directly into the nests or between cracks in paving or decking areas. For ants nests in lawns, apply 20g per square metre. Do not empty into surface water or drains. When to Use Apply at weekly intervals to nesting and breeding sites as instructed above, in the mornings or evenings when the ants are in the nest.