I am proactive about tick rejection BUT only partially successful. One problem we are unable to lick is Buster and Precious dogs bringing them into the house. The collars they wear very effective at rejecting the ticks before doing the dogs harm, BUT, they still sometimes bring them into the house before they are repelled by the drug. This happens when we let them run free in the wooded area which they love to do. Despite heroic efforts to find ticks after these adventures we still find them on their beds or furniture. Kept in their fenced yard there is no issue due to thrice annually yard treatments.
Here is the formula I use for those interested. It is not necessarilly healthy to humans and need be applied with care. Life is a tradeoff.
One full can Ortho vegetable dust
One full gallon of Bug B Gone
two cups of Permethrin
Mix well and add water as necessary to make a liquified slurry suitable for spraying (as little as possible).
A lot of cotton
Toilet paper or paper towel cores.
for perimeter protection
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Dip cotton into solution and stuff into the cores. Rodents will pick at the cotton and use it for bedding. The ticks they carry will be exterminated. Birds and mammals that attack the rodents will also receive a modicum of treatment, not much but everything helps.
For exterior living areas
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Use a sprayer to treat the perimeters early in the spring and again about a month later.
I also use this to spray any area we commonly use in the spring and again in the mid summer.
The fenced dog area gets a third treatment in the early fall.
For clothing used when going into tick infested areas
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We add 12 ounces of Permethrin to the wash. Do not add laundry detergent, bleach, or softner.
The chemical will remain in the clothing for several weeks without additional treatment but does eventually wash away. If the clothes used are washed without detergents the effect will last much longer.
ALWAYS wear gloves and a mask when handling these chemicals.