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Teri writes

Is Cyper TC safe to use on a property that has a well? Can I use Cyper TC indoors for pest control?

They say don't use this if you have a well, yet you say, "Typically, termiticides like the Cyper TC, have very low solubility in water and they are unlikely to leach out of the treated soil when rainfall or irrigation later contacts said soil. The molecules of the active ingredient tend to bind tightly to the soil particles, and unless the soil itself moves from erosion the Cyper TC will stay put. Cyper TC does not go back into solution when water passes through the treated soil." Is it safe if you have a well? Why is it not safe? Also, can I spray it in the house around my wood baseboards and up my walls in the corner like the insect control guy does? Thanks!


Actually the Cyper TC product label has specific guidelines on how to safely treat termites on properties that have wells. You can find this information starting on page 8 of the product label. Cyper TC is not labeled for use indoors for general pest control and should not be used for this purpose. For indoor general pest control we would recommend Talstar P. Talstar P is labeled for over 75 different pests, can be used indoors and outdoors, is odorless, dries clear, leaves no stains, is non-irritating to the skin, and won't break down easily with rainfall.

Answer last updated on: 06/17/2011

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