Permethrin SFR 36.8% - Questions & Answers

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  • Asked by Sherri from Newport Beach, Ca.
    02/24/2012
    Q
    Will Permethrin SFR kill black widow and brown recluse spiders? Is it safe for gardens, children, and pets?
    will permethrin sfr get rid of black widows and brown widows or is there a better product for these spiders? Please tell me the dangers for small children, animals and an organic garden. Thank you
    A
    Brown recluse spiders and black widow spiders share the same biology as every other species of spiders and are not any harder to kill than other spiders. Permethrin SFR is labeled for spiders and should do a great job in helping you eliminate spiders in and around your home. Permethrin SFR is safe around children and pets as long as they are kept out of the area during the application and they do not return to the area until it is dry. Permethrin SFR should not be used in an organic garden because it is a synthetic product and it is not labeled for use on most types of edible plants.
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    473 of 508 people found this answer helpful.
  • Asked by Sylvia
    04/15/2011
    Q
    What is the ratio of water to Permethrin?
    A
    You did not mention a specific product, but we assume you are speaking of Permethrin SFR or something similar.  You can use anywhere from 1 ounce to 3 ounces of Permethrin per gallon of water depending on what you are treating.  You should read the product label for complete treating instructions.
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    397 of 454 people found this answer helpful.
  • Asked by Nacho
    05/16/2011
    Q
    Can I use Permethrin SFR on my dog? If so, how much product should I use per gallon of water?
    I just got a 3 yr old pit bull and he has lots of ticks.
    A
    Yes, you can use Permethrin SFR on your dog. You should use ¼ fl. oz of product to 1¼ gallons water then thoroughly wet the animal to the skin with sponge or rag. Let drip dry. You can find these instructions on page 16 of the Permethrin SFR product label which we have linked in this answer for your convenience but is always available on the Permrthrin SFR product page.
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    323 of 340 people found this answer helpful.
  • Asked by Branch from Milton, Ma
    09/09/2011
    Q
    Using Permethrin SFR how many oz per quart water for mix of .5%?
    A
    You will need to use 1 2/3 fl. oz. for each gallon of water to get a 0.5% ratio. If you only need to mix one quart of solution at a time you will need to use just under 1/2 (0.43) oz of Permethrin SFR per quart of water to get a 0.5% mixture.
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    269 of 292 people found this answer helpful.
  • Asked by Vic
    05/26/2010
    Q
    Can you use Permethrin SFR indoors for fleas?
    A
    Yes, you can use Permethrin SFR indoors for fleas.  You can also use it outside and directly on dogs(do NOT use on cats).  Please read the product label for complete instructions.
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    248 of 263 people found this answer helpful.
  • Asked by Joe from Mclean Va
    02/03/2012
    Q
    What is the shelf life of the Permethrin SFR 36.8% ?
    A
    Permethrin SFR 36.8% will last for about 3 years from the date of purchase as long as it is stored out of extreme temperatures and out of direct sunlight.
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    181 of 199 people found this answer helpful.
  • Asked by Pat from Long Grove Il
    05/11/2014
    Q
    What is the best product to get rid of ticks when you have about a 1/2 acre of trees on your property?
    I am buying a house that has a lot of trees on the property and I am worried about ticks. Please tell me the best product to get rid of ticks when you have about a 1/2 acre of trees on your property. All the products I read about talk about minimizing ticks in gardens or grassy areas.
    A
    The best products we can recommend for tick control would be the Permethrin SFR mixed with the NyGuard IGR. The Permethrin SFR is the killing agent that will kill and repel the ticks in the areas that you treat. The NyGuard IGR is a birth control to keep the ticks from reproducing and to keep immature stages of the ticks from growing into reproducing adults. These two products can be mixed together and sprayed at the same time for a letal combo to the tick population. Spraying with the Permethrin SFR every 2 weeks at first can be needed and then back off to every 30-60 days. The NyGuard will hold up typically 3-4 months outdoors.
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    155 of 174 people found this answer helpful.
  • Asked by Kurt from United States
    07/30/2012
    Q
    Can I dilute your permethrin to treat (soak) my clothes like the Sawyer product?
    Is there any reason I couldn't buy your 36% permethrin and dilute it to the same .5% that comes in OUtdoor clothing applications for use in treating clothing to repel mosquitos?
    A
    You cannot use the Permethrin SFR on clothing at all. Even though the products contain the same active ingredients, the formulations are very different and most  of our permethrin products contain chemicals that are unsafe to have next to your skin. We do carry Tick Block which is an appropriate formulation for clothing.
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    138 of 160 people found this answer helpful.
  • Asked by Leah from Warrior, Al
    06/21/2014
    Q
    What is mixture ratio to spray cattle for flies with Permethrin SFR?
    Want to mix 2 gallons.
    A
    The product label for the Permethrin SFR gives a few different rates for applying to cattle.

    For Horn flies, face flies, stable flies, house flies, horse flies, deer flies, black flies, eye gnats,
    mange mites, scabies mites, ticks, lice and sheep keds you would use 4 fl. oz. to 25 gallons water (treats 50-100 head).
    That breaks down to about .16 fl oz per 1 gallon.
    For Horn flies, face flies, stable flies, ear ticks and lice you would use 4 fl. oz. to 2½ gallons
    water (treats 64-80 head).
    Please refer to the product label for complete instructions for your specific application.
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    111 of 141 people found this answer helpful.
  • Asked by Jason from Wisconsin
    06/06/2014
    Q
    I want to spray Permethrin SFR 36.8%. How much per gallon?
    Using to get rid of mosquitos, not sure if I use 1 2/3 oz per gallon or less.
    A
    You will need to use 1 2/3 fl. oz. Permethrin SFR 36.8%   for each gallon of water to treat for mosquitoes.
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    97 of 106 people found this answer helpful.
  • Asked by Barry from Alabama
    07/15/2015
    Q
    Can you use Permethrin SFR to kill wasps?
    A

    You can use Permethrin SFR, but it will NOT kill wasps on contact.  The wasps/bees will die, but not immediately.  It can take a few minutes for them to succumb to the product.  Permethrin will help to deter them from nesting in areas it has been sprayed.  Wasp Freeze is your best choice if you are looking to knock down wasps instantly.

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    95 of 110 people found this answer helpful.
  • Asked by Everett from Copeland Kansas
    07/11/2015
    Q
    Can I spray Permethrin SFR 36.8% on horses for fly control?
    A

    Yes, Permethrin SFR 36.8%  is labeled for use on livestock such as horses and cattle as well as other animals. We have listed the specifications for horses below but you can find more information on the product label.

    For use on Horses to control: Horn flies, face flies, stable flies, house flies, horse flies, black flies, eye gnats, mange mites, scabies mites, ticks, lice and fleas: Use ¼ fl. oz. to 1 pt. water, 0.6257% AI. Low pressure spray. Application: 1-2 fl. oz. spray per animal. Spot treat back, face, legs tail and ears.

     

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    93 of 108 people found this answer helpful.
  • Asked by Andrea from Riviera Tx
    03/25/2015
    Q
    What is the difference between Permethrin SFR 36.8% and Permethrin 10%
    A
    The difference between the Permethrin SFR 36.8% and Permethrin 10% is really just the amount of active ingredient in each product.
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    92 of 147 people found this answer helpful.
  • Asked by Karin from Orlando, Fl
    03/18/2012
    Q
    Does permethrin SFR expire?
    I bought some about a year ago but did not use it all. I need to use it again. Would it still work?
    A
    Most all insecticides we sell do not have an expiration date, but most manufacturers place at least a 5 year shelf life on their products.  Most can last longer, but the manufacturers recommend you use them within at least 5 years, so your bottle is still plenty good.
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    91 of 102 people found this answer helpful.
  • Asked by Douglas
    03/31/2011
    Q
    Is Permethrin SFR 36.8% safe to spray on plants in a garden?
    A
    The only edible vegetation that Permethrin SFR can be used on would be the fruit and nut trees listed on the product label. A more appropriate product for your needs would be Hi-Yield Indoor/Outdoor 10% Permethrin Insecticide. This particular product is formulated and labeled for use on many different types of edible vegetation including most veggies commonly grown in a home garden. 
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    87 of 112 people found this answer helpful.
  • Asked by Bud from Delaware
    06/27/2013
    Q
    What setting do you recommend for applying this product to my lawn?
    A
    The mixing ratio for Permethrin SFR 36.8% on lawns is anywhere between 0.4 oz up to 0.8 oz per 1000 square feet or per gallon of water. A dial setting at half of an ounce per gallon on the hose end sprayer would be perfect.
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    82 of 97 people found this answer helpful.
  • Asked by Damian from Idaho
    08/22/2013
    Q
    How long should you wait prior to rain before applying Permethrin SFR?
    A
    Permethrin SFR can hold up to rain when dry. It is important to have 24 hours before the application and 24 hours after the application rain free.
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    82 of 87 people found this answer helpful.
  • Asked by Lisa from Indiana
    08/09/2014
    Q
    I have a flea infestation that I cant get under control. How much do I need to treat inside house 1200 sq foot?
    Is it for yard & home?
    A
    With Permethrin SFR 36.8%, you will use 1 2/3 fl. oz. per gallon of water. We do recommend mixing this with an IGR (insect growth regulator) for your first treatment. This is like a birth control for the fleas and will stop them from laying eggs. Archer IGR is a good product to use. You will need to vacuum everyday for 14 days and do a second treatment of the Permethrin SFR. These products can be used in both the yard and in your home. We would recommend treating both so that fleas are not being brought from outdoors, making the infestation worse. These treatments may need to be done more than twice.
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    82 of 96 people found this answer helpful.
  • Asked by Jeremy from Miami, Fl
    03/20/2016
    Q
    How could I use Permethrin SFR to spray inside of the house?
    I live in south florida, home of the palmetto bug and I would like to dilute this product to spray inside of the house. I have already sprayed outside around the house, but I would like spray inside behind the stove, fridge, closets, etc. I have a 32 fl oz spray bottle that I would use to spray, but I do not know how much to dilute the concentration, so that it is safe for my dogs and me.
    A

    You will need to use 1 2/3 fl. oz of Permethrin SFR for each gallon of water for indoor or outdoor spraying. If you only need to mix one quart of solution at a time you will need to use just under 1/2 (0.43) oz of Permethrin SFR per quart of water. The safety of the product indoors applies to the same rules outdoors, keep pets out of the treatment areas during application and until its had time to completely dry. Be sure to follow all label instructions for where it can be sprayed indoors. 

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    80 of 89 people found this answer helpful.
  • Asked by Joe
    05/18/2011
    Q
    Will Permethrin SFR 36.8% kill Stink Bugs?
    I live in Virginia where Stink Bugs have become an epidemic. The problem is increased when you kill them, as that is when they emit the most odor, which attracts more Stink Bugs.
    A
    Permethrin SFR will kill stink bugs but there are other products such as Cyper WP which lasts a bit longer and stays on the surface of porous areas making it more available to this pest. Unfortunately if you are dealing with them in your house right now you will only see limited results. Stink bugs move into structures to overwinter. They usually squeeze into wall voids, false ceilings, attics and other areas that are inaccessible to people and insecticides. As the heat kicks on in the house, the stink bugs warm up and start becoming active and emerge from hiding, driving homeowners nuts. Because most folks usually have no idea where the bugs are harboring you can only treat around baseboards, door frames and window frames and hope the insects will emerge where you have sprayed. After they contact the treated areas it can take several hours for them to die. It is still worth spraying now to get rid of some of the bugs, but you will keep seeing them until late spring when they will emerge en masse and leave your home. They do not eat, mate or lay eggs while indoors so need to worry about any damage or future baby stink bugs. This year you can be proactive by stopping these pests before they move in for the winter. You should spray Cyper WP outdoors around your door frames, window frames, vents, eaves, around the bottom of your foundation, and any other crack or crevice where an insect could gain entry once a month August-November. Most folks see a 80-90% reduction in stink bugs the first year and even better results in the following years as the stinkbug pheromone fades away.
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    69 of 75 people found this answer helpful.
Displaying 1 to 20 (of 517 questions)