QuickSilver T&O Herbicide - Questions & Answers

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  • Asked by Valerie from Pequea, Pa
    04/15/2012
    Q
    How much Quick Silver do I mix per gallon of water?
    A
    As with most herbicides the exact volume of water is not very important, you just need to be sure you are getting the correct amount of product on a specific area. In the case of Quicksilver you will need to use 0.021 - 0.154 fl oz per 1,000 sq ft of area. You can apply the specified amount of product in 0.5 to 4.0 gallons (plus specified amount of surfactant) per 1000 sq.ft.. Use higher spray volumes when there is a dense weed population or turfgrass canopy or where uniform coverage is difficult to obtain. For spot treating weeds, other than moss, with hand-held or backpack sprayers mix 0.030 fluid ounces (0.9 milliliters) of this product in one to two gallons of water to treat 1000 square feet. Please refer to the QuickSilver product label for complete usage instructions.
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    18 of 23 people found this answer helpful.
  • Asked by Gilbert from Jupiter, Fl 33478
    11/07/2011
    Q
    Need to control spreading dayflower in St. Augustine grass.
    A
    Quicksilver herbicide is one of our most popular and is labeled to control dayflower in St. Augustine grass.
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    7 of 8 people found this answer helpful.
  • Asked by Art from Syosset, Ny
    10/13/2017
    Q
    Will QuickSilver Herbicide kill clover and ground ivy?
    A

    Yes, QuickSilver Herbicide will eradicate white clover and ground ivy. Please refer to the product label for complete mixing and application instructions.

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    4 of 7 people found this answer helpful.
  • Asked by Jerry from Buckhead, Georgia
    08/27/2013
    Q
    How much Quick Silver do I need to use in a 20 gallon tank for silvery moss?
    My application is to cover 1,000 sq. ft. at a time. How often do I treat and I need to be aggressive as a wet summer has the moss in rapid growth. 23,000 sq. ft. fescue, 10,000 sq. ft. burmuda. Thank you; I am a 73 yr. old female and need to know the ounces to put in this 20 gal. tank. Thank you so much!
    A
    You will need to use 0.154 fluid ounces per 1000 square feet. Since youa re using a 20 gallon tank you can use 3.08 fl oz per 20 gallon tank to cover 20,000 sq ft.
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    3 of 4 people found this answer helpful.
  • Asked by Dave from Jupiter, Fl
    04/19/2018
    Q
    Is the dropper with numbered scale that came with the QuickSilver bottle in milliliters?
    A

    Yes, the pipette that comes with QuickSilver Herbicide is in mL for treating small areas.

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    3 of 3 people found this answer helpful.
  • Asked by B
    08/09/2015
    Q
    Does QuickSilver Herbicide come with the ability to measure small amounts for mixing with 1 gallon of water?
    A

    As with most herbicides the exact volume of water is not very important; you just need to be sure you are getting the correct amount of product on a specific area. In the case of Quicksilver, you will need to use 0.021 - 0.154 fl oz per 1,000 sq ft of area. You can apply the specified amount of product in 0.5 to 4.0 gallons (plus specified amount of surfactant) per 1000 sq.ft.. Use higher spray volumes when there is a dense weed population or turfgrass canopy or where uniform coverage is difficult to obtain. For spot treating weeds, other than moss, with hand-held or backpack sprayers mix 0.030 fluid ounces (0.9 milliliters) of this product in one to two gallons of water to treat 1000 square feet. Please refer to the QuickSilver product label for complete usage instructions.

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    3 of 12 people found this answer helpful.
  • Asked by Fl from Florida
    11/08/2015
    Q
    Can QuickSilver Herbicide be used on Floratam?
    A

    Yes, QuickSilver Herbicide is safe to use on Floratam blend of St Augustine grass. Apply QuickSilver T&O Herbicide at rates of 1.0 to 2.1 fluid ounces of product per acre -0.023 to 0.048 fluid ounces per 1000 square feet.

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    3 of 3 people found this answer helpful.
  • Asked by Karen from Grandville, Mi
    08/24/2017
    Q
    What is the use rate of Quicksilver mixed with Tenacity and a Non-Ionic Surfactant?
    How much QuickSilver do I add to 0.5 Teaspoon Tenacity per 1 gallon mix? I'm afraid my math will cause a problem. I purchased .169 fl oz package of QuickSilver. How much do I add to 1 gallon mix? Any Suggestion in how to measure such a small amount of QuickSilver from this packaging to be correct and store any remaining product?
    A

    According to the label, Tenacity Herbicide can be mixed with QuickSilver Herbicide and a non-ionic surfactant. Unfortunately, we don't carry the 0.169 fl oz pack of QuickSilver to be able to give you a recommendation of how much can be used. We recommend reading the label of the product or calling the manufacturer which is FMC, they can be reached at 1-800-321-1362.

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    1 of 1 people found this answer helpful.
  • Asked by Willis
    07/15/2021
    Q
    Does QuickSilver T&O Herbicide need to be watered after it dries on the plant?
    A

    You do not want/need to water after a post emergent application. QuickSilver T&O Herbicide is rainfast within one hour after application.

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    1 of 1 people found this answer helpful.
  • Asked by Doug from Virginia
    03/24/2019
    Q
    What is the rate for Quicksilver?
    A

    The label rate for QuickSilver T&O Herbicide  0.030 oz. per 1-2 gallons of water per 1,000 sq. ft.  Please consult the label for complete application instructions.

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    1 of 1 people found this answer helpful.
  • Asked by Charles from Jacksonville, Fl
    03/22/2018
    Q
    Will QuickSilver Herbicide kill red sorrel and Hypochaeris radicata?
    Which temperature and wind speed is ideal to apply?
    A

    QuickSilver Herbicide  is not labeled for Hyprochaeris radicata, which is also Flat weed or False Dandelion but will work for red sorrel. Fertilome Weed Free Zone is safe for many turf types and will eradicate false dandelion. We do not recommend applying when there is wind and you should apply to lawns that are not under stressed and when temperatures are above 85 degrees.

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    1 of 1 people found this answer helpful.
  • Asked by Barry from Plantation, Fl
    01/13/2018
    Q
    Can I apply QuickSilver with a hose-end sprayer?
    If so, do I premix an amount to go into the container?
    A

    QuickSilver Herbicide should not be applied in a hose-end sprayer. As with most herbicides, the exact volume of water is not very important: you just need to be sure you are getting the correct amount of product on a specific area. In the case of Quicksilver, you will need to use 0.021 - 0.154 fl oz per 1,000 sq ft of area. You can apply the specified amount of product in 0.5 to 4.0 gallons (plus specified amount of surfactant) per 1000 sq.ft.. Use higher spray volumes when there is a dense weed population or turfgrass canopy or where uniform coverage is difficult to obtain. For spot treating weeds, other than moss, with hand-held or backpack sprayers mix 0.030 fluid ounces (0.9 milliliters) of this product in one to two gallons of water to treat 1000 square feet. Please refer to the QuickSilver product label for complete usage instructions.

     

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    1 of 1 people found this answer helpful.
  • Asked by Gary from Bluefield, Va
    03/23/2017
    Q
    I'm using QuickSilver Herbicide for moss. How is it mixed?
    A

    Per the label, the rate for QuickSilver Herbicide for moss is 6.7 oz. per acre, or 0.154 oz. per 1000 square feet. This should be followed by a second application in two weeks at the same rate. 

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    1 of 1 people found this answer helpful.
  • Asked by Nicholas from Tampa, Fl
    10/01/2016
    Q
    Is QuickSilver Herbicide the best for lasting control?
    Reviews of Quicksilver say its best at lasting control when mixed with other herbicides to get into the root systems. In addition to the usual southern broadleaf weeds I'm dealing with a seemingly untouchable and very extensive Alligator Weed infestation in a St. Augustine lawn to the point that parts will have to be plugged or sodded after I finally kill these weeds. What herbicide(s) and/or surfactant would you recommend to mix this with for maximum effect on the Alligator Weed without killing the existing grass?
    A

    Unfortunately, QuickSilber Herbicide is not labeled for alligator weed, and would not control it. Most likely in your situation the best recommendation we can make would be RoundUp for spot spraying to get rid of it. There are not other herbicides that are labeled for this except ones that control aquatic weeds.

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    1 of 2 people found this answer helpful.
  • Asked by Christian from Brookline, Nh
    06/23/2016
    Q
    Will this QuickSilver Herbicide kill Prostrate Knotweed?
    I have been fighting with Prostrate Knotweed in my lawn for 2 years now and its starting to take over and invade my gardens which I is bad. I need to kill this weed, but most things I've tried it just laughs at.
    A

    Yes, QuickSilver Herbicide will control Prostrate Knotweed. The QuickSilver Herbicide product label recommends applying QuickSilver Herbicide at rates of 1 to 2 fluid ounces per acre, or 0.023 to 0.048 fluid ounces per 1,000 square feet.

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    1 of 1 people found this answer helpful.
  • Asked by Jeff from Kearney, Ne
    01/14/2016
    Q
    Is Quicksilver safe for established Kentucky blue grass or Tall Fescue?
    I will be over seeding in the spring and want to eliminate some troublesome weeds in some lawns.
    A

    QuickSilver Herbicide does list Kentucky Bluegrass and Tall Fescue as tolerable turfgrass species on the product label. Please refer to Page 2 for specific instructions on overseeding.

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    1 of 1 people found this answer helpful.
  • Asked by Scott from Colorado
    06/25/2015
    Q
    Can I use Quicksilver on buffalo grass plugs that are 4 weeks in the ground?
    A
    QuickSilver Herbicide is safe for Buffalo grass as long as the Buffalo grass is established. Meaning has been mowed at least 2 times. 
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    1 of 2 people found this answer helpful.
  • Asked by Shirley from Streator, Illinois
    05/27/2015
    Q
    I am trying to kill Star of Bethlehem and I will be using in a hose end sprayer. I need to know the amount of QuickSilver Herbicide per gallon of water.
    A
    QuickSilver Herbicide should not be applied in a hose end sprayer. As with most herbicides, the exact volume of water is not very important, you just need to be sure you are getting the correct amount of product on a specific area. In the case of Quicksilver, you will need to use 0.021 - 0.154 fl oz per 1,000 sq ft of area. You can apply the specified amount of product in 0.5 to 4.0 gallons (plus specified amount of surfactant) per 1000 sq.ft.. Use higher spray volumes when there is a dense weed population or turfgrass canopy or where uniform coverage is difficult to obtain. For spot treating weeds, other than moss, with hand-held or backpack sprayers mix 0.030 fluid ounces (0.9 milliliters) of this product in one to two gallons of water to treat 1000 square feet. Please refer to the QuickSilver product label for complete usage instructions.
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    1 of 2 people found this answer helpful.
  • Asked by Cliff from Virginia
    05/03/2015
    Q
    Is QuickSilver Herbicide safe for new tall fescue grass?
    A
    QuickSilver Herbicide is a selective post-emergent that is safe for well established fescue turf.
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    1 of 1 people found this answer helpful.
  • Asked by Dana from Leesville, Sc
    07/16/2018
    Q
    Will QuickSilver kill the invasive prostrate knotweed, spurge that has invaded our Centipede lawn?
    We have irrigation system. We have used pre emergents, post. MSM herbicide with surfactant and no luck. This stuff has taken over our yard and about to lose all of our sod. We have a 24 gallon tank that we pull behind the lawn mover with two spray nozzles. If we have trees in our lawn will it harm them? Do I need to add any thing else to it. When to put it out and how often? Does it kill spotted spurge, creeping spurge, garden spurge, prostate spurge as well? In flower beds grass and gravel driveway.
    A

    QuickSilver Herbicide is labeled for eradicating prostrate knotweed and spotted spurge but not for the other species of spurge requested. It is labeled for applications on established Centipede lawns as they are generally tolerable but they can be sensitive and the product could cause yellowing. Hi-Yield Atrazine Weed Killer is safe for Centipede (if applied as directed) and kills spurge and knotweed.

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Displaying 1 to 20 (of 28 questions)