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Budget Permethrin

Joined
Apr 7, 2023
Messages
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Location
Colonial Beach, VA
I make it a practice to treat my clothes and tent at the beginning of the season with Permethrin. It is effective against ticks and helps with other biting insects. The small bottles of Sawyer Permethrin are quite expensive and the sprayer that comes with it is rather low volume. I started mixing my own and using a garden sprayer a couple of years ago and the results are much cheaper and better.

Do it yourself budget .5% permethrin solution tick and mosquito-proofing for clothes
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After mixing, you will want to end up with a .5% permethrin solution for soaking or spraying your clothes. NOTE: that is "point five percent" (one half of one percent) NOT "five percent". Also, don't be surprised by the solvent smell, it will go away when it dries. Spray outside and hang to dry.
Recipe to make 1 gallon of .5% solution using 38% permethrin starting concentrate:
1 gallon = 4 quarts = 128 ounces.
1 gallon water + 1.71 ounces 38% permethrin = 129.71 ounces of .5% concentration. 16 oz of 38% permethrin will make 9.35 gallons .5% solution.
COST: $27.98 for 16 oz. of 38% permethrin at Amazon to make 9.35 gallons = $2.99 to create an entire gallon of spray mix.
Sawyer brand permethrin at $17.50 for 24 oz of .5% cincentration works out to $93.33 per gallon.
Hi-Yield 38 Plus Permethrin Turf Termite and Ornamental Insect Control, 16 Oz. Bottle.
https://a.co/d/1WWkmu3Permethrin Sprayer.jpg
 
What a great hack! In the fifteen years I’ve been buying Sawyer permethrin, I don’t think I’ve used a gallon, but I probably spent near $100 on it. Thanks for posting this. I had no idea of the concentration, or that bulk permethrin was available.
 
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