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John from Warner Robins, Ga writes,

I was told to use diatomatus earth (food grade) for fleas.

I found it also works for roaches. How long do I wait to reapply? Thing I like is that it being food grade, if the dogs or I get an accidental dose, we don't get sick. We are being overrun by roaches and I need to give them a good dose of something. I may have to go buy some more DE.


Using a bellow hand duster to apply Diatomaceous Earth in wall voids, cracks and crevices where roaches like to hide will treat for roaches. Diatomaceous Earth needs to be reapplied frequently or when the infestation reappears. When treating for roaches, we recommed using one of our Roach Control Kits. THese kits contain the necessary products to do a full treatment for roaches. You can read about our Roach Control kits here. Our most popular Roach Control Kit is our Roach Control Kit #2. Please read below for details on this kit. 


The Roach Control Kit #2 is perfect for roach control problems in homes and apartments. This professional kit includes 1 packet of Demon WP Insecticide (which makes 4 gallons of finished solution) for spraying the outside perimeter of the home and inside underneath appliances, behind cabinets, under toilets and sinks, etc. You'll also get 4 x 30 gram tubes of Advion Roach Bait Gel--one of the best roach baits on the market. Advion can be applied up high in the kitchen in the corner of cabinets and in cracks and crevices in kitchens and bathrooms. The bait contains a slow-acting poison that attracts and kills feeding roaches, who also spread the bait to other roaches by contact or by sharing food. Finally, 20 Gentrol Point Source stations provide an IGR (Insect Growth Regulator) that will stop roaches from laying eggs, helping to halt the infestation. The combination of an IGR with roach bait is a highly effective roach control strategy that is widely used by pest control professionals. Demon WP must be applied with a 1 gallon pump sprayer.

Answer last updated on: 12/25/2014

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