SKU: 86803290571
herbicide facts

herbicide facts Certainty Turf Herbicide 1.25 oz – Sulfosulfuron Sedge Killer – A to Z Lawn Supply

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Description

herbicide facts Certainty Turf Herbicide 1.25 oz – Sulfosulfuron Sedge Killer – A to Z Lawn SupplyOverview Certainty Turf Herbicide is a selective post emergent herbicide designed for control of difficult weeds in residential lawns, commercial turf, golf courses, and managed landscape areas. Powered by the active ingredient sulfosulfuron, this professional grade herbicide provides targeted control of sedges, kyllinga, Poa trivialis, and certain broadleaf weeds while maintaining turfgrass safety when used according to label directions. Certainty is

Overview

Certainty® Turf Herbicide is a selective post-emergent herbicide designed for control of difficult weeds in residential lawns, commercial turf, golf courses, and managed landscape areas. Powered by the active ingredient sulfosulfuron, this professional-grade herbicide provides targeted control of sedges, kyllinga, Poa trivialis, and certain broadleaf weeds while maintaining turfgrass safety when used according to label directions.

Certainty is formulated as a water dispersible granule (WDG) that mixes easily in spray equipment for precise applications. The systemic mode of action allows the herbicide to move through the plant, controlling weeds from leaf to root.

This product is widely used by professional turf managers and homeowners seeking effective control of persistent sedges and specialty turf weeds in highly managed turfgrass environments.

Key Features

  • Selective herbicide for residential and commercial turf
  • Controls nutsedge, kyllinga, and Poa trivialis
  • Active ingredient: sulfosulfuron
  • Water dispersible granule (WDG) formulation
  • Systemic activity moves through plant tissues
  • Suitable for golf courses, lawns, and managed turf areas
  • Small-use rate provides extensive coverage

Specific Weeds / Pests Controlled

Weeds controlled according to the EPA label include:

  • Nutsedge species
  • Kyllinga species
  • Poa trivialis (rough bluegrass)
  • Annual and perennial grass weeds
  • Broadleaf weeds listed on the product label

Always consult the product label for the complete and approved weed control list and turfgrass tolerance information.

Application & Use Details

  • Apply as a post-emergent herbicide
  • Mix with water and apply using calibrated spray equipment
  • Designed for use on highly managed turf areas
  • Use on labeled turf species according to label directions
  • Uniform spray coverage improves control results
  • Follow all label instructions regarding application timing and rates

Certainty Turf Herbicide is labeled for use on:

  • Residential lawns
  • Commercial turf sites
  • Golf courses
  • Ornamental turf areas
  • Native grass sites

For best results, apply when weeds are actively growing and follow all label directions regarding turf species tolerance and application intervals.

FAQ

What weeds does Certainty Herbicide control?
Certainty is labeled to control sedges such as nutsedge, kyllinga species, Poa trivialis (rough bluegrass), and certain annual and perennial weeds listed on the EPA label.

Is Certainty safe for lawns?
When applied according to label directions, Certainty is designed for use on labeled turfgrass species in residential and commercial turf areas.

How does Certainty work?
The active ingredient sulfosulfuron is absorbed by the plant and moves systemically through the weed to disrupt growth processes.

Can homeowners use Certainty herbicide?
Yes. The product is labeled for residential turf when used according to the EPA label instructions.

What makes Certainty useful for sedge control?
Its systemic activity allows it to move through sedge plants and target underground structures responsible for regrowth.

Compliance & Technical Information

EPA Registration Number:
59639-226

Active Ingredients:
Sulfosulfuron – 75.0%

Signal Word:
CAUTION

Target Pest List:
Nutsedge species, Kyllinga species, Poa trivialis, and other labeled weeds.

Label Link:
Download Product Label (PDF)

SDS Link:
Download Safety Data Sheet (SDS)

Fact Sheet Link:
Download Product Fact Sheet

Required Compliance Statement:
It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Always read and follow the entire product label before use.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 86803290571

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Product Reviews
R
Verified Purchase
RD
Cuba, US
★★★★★ 4
As expected
Size: 1.45 Pound (Pack of 1)
As expected Flavor is kinda gross
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
K
Verified Purchase
Kelly Aldrete
Massapequa, US
★★★★★ 5
Good flavor
Size: 1.45 Pound (Pack of 1)
Good flavor. I quit drinking Metamucil in the past because I didn't like the orange. I was reluctant to try a different flavor but after reading many positive comments about this one I decided to try it. I was not disappointed. Thank you to all who left positive comments about the Berry flavor.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
R
Verified Purchase
Robert Kern
New York, US
★★★★★ 5
Great Product, Works as Advertised
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
This product works exactly as described. It makes BM's smoother and gentler. I personally use the unflavored, no sweeteners added version, and honestly, it does not taste very good, but I feel that the results are worth it, and I do not like adding extra sweeteners or flavorings to my diet. I have used this product for many years and have found that about 1 1/2 to 2 tbsps in 12 ounces of water works the best for me. You will need to experiment a bit to find the ratio that works best for you. I recommend that you start on the low side and gradually increase the amount of Metamucil as needed.
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Reviewed in the United States on March 26, 2026
E
Verified Purchase
EZ
Houston, US
★★★★★ 5
Healthy, Effective, and great when mixed with Splenda and Koolaid mix. The best of many options I've tried.
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I've sampled a few different varieties of fiber supplements, including both Benefiber and off-brands, and I found that Metamucil provided the most fiber in the least offensive beverage. Compared to the other brands, this stuff is smoother textured, and goes down easier, as a sort of happy medium between the grittier supplements and the thicker ones. What about effectiveness? I have apocalyptic IBS, and since starting to take this stuff regularly (one giant glass every morning and evening), my BMs have been much more regular, and more manageable. Flare-ups happen less, and it even seems to do a decent job when taken with meals of cutting the hit to my stomach and gut. I tend to take more than the recommended amount, with an even larger serving of water, as I feel like it helps me stay hydrated and full throughout the day. I started taking the classic orange Metamucil, but although I really liked the superior flavor (rather like Orange Tang) it packed several times more sugar in each serving than fiber, so while it was great for digestive health, the overall health impact was too negative. I also sampled the sugar-free berry flavors, but found that, although it was ostensibly healthier, the flavor wasn't great, and in addition it suffered from the aspartame aftertaste and further effects (Aspartame gives me headaches). So this was a dilemma for me. What to do? I actually wrote to Metamucil about it, and they recommended this product. The downside is that it comes with absolutely no flavor, so you need to provide your own in order to mask the texture (I wouldn't dream of trying to mix this in plain water--yuck!) The upside is they pack 100+ servings into a container, and you really are free to blend it into whatever suits your fancy. Obviously if you mix it with something like orange juice, then you're already negating the benefits of this stuff over the sugary orange flavor, but I've personally found a much better way. I like to mix this stuff with Kool-aid mix and Splenda (Sucralose) sweetener. I buy a ton of Splenda and kool-aid as it mixes up tasting sweet, like sugar, but without the calories or aftertaste. You can dump a spoonful of this stuff into a glass of splenda-koolaid, or just dump 8 servings worth of this stuff in with a packet of koolaid powder and a cup of splenda, and then just mix it up and spoon it into water as needed. Better tasting, sugar-free and packed with good useful fiber. EDIT: I wish I could subscribe to this stuff. Price of splenda has gone up, but I've figured out thatyou can just dump 7 packets of koolaid mix and 7 dashes of sucralose into a container of this and shake it up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2015
R
Verified Purchase
Review Dude
San Leandro, US
★★★★★ 5
#1 for #2's
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I like the lack of sweeteners and flavor. I just want the stuff that helps me poop. There is some citric acid in it (no idea why) which gives it a mildly acidic taste. Other than that, it does the trick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026

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