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Janet writes,

What do you think about diatomaceous earth for termites?

I had a termite company stop by before I decide if I want to tackle my termite infestation myself. I told him I want to spray my whole attic with Boracare as a preventative measure. He then says the University of Miami or some other school did a study that Boracare does not work as well as it says. He recommended that we use diamotaceous earth which is better but I am wondering if maybe suggested that because it is cheaper and it doesnt last as long as boracare(10 years) therefore giving the benefit to his company. I also had an orange oil specialist company (who does not fumigate) stop by and he warned me that there are companies who go around advertising diatomaceous earth and all it is is basically powder they throw everywhere hoping it will prevent termites. Boracare seeps into the wood (however this termite company that stopped by swears that Boracare was studied and does not seep through the wood as promised) Please let me know your opinion


In our opinion we stand by Boracare. We have never heard of someone using DE to eliminate a termite infestation. It is true that Boracare can take a while to penetrate through older, dryer wood, but it still does the job when used as directed on the Boracare product label. DE would just sit on top of the wood and doesn't have a way to penetrate into the areas where the termites actually harbor. You should also note that most DE is not labeled for termites because the manufacturers do not intend it to be used for termite control.

Answer last updated on: 07/28/2012

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