RM18 2.5 gal. Fast-Acting Grass and Weed Killer with Diquat
$109.99
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RM18 2.5 gal. Fast-Acting Grass and Weed Killer with Diquat
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RM18 2.5 gal. Fast-Acting Grass and Weed Killer with Diquat
Item # 126692499
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Limited Time Deal
RM18 2.5 gal. Fast-Acting Grass and Weed Killer with Diquat
Item # 126692499
Stocked & Ready
Add this item to unlock free delivery!
Shopping at
Grassland (franklin) TN
Delivery to
Free standard delivery on online footwear & Clothing purchases of $49 and over.
Notice:
This Item cannot be shipped to AK, CA, HI.Get everything you need
Neighbor’s Club Members earn points with purchases.
When you want fast results with minimal prep, the 2.5 gal. RM18 Fast-Acting Grass and Weed Killer with Diquat is your total solution for unwanted brush, grass and broadleaf weed control. Perfect for lawn replacement, clearing walkways, and leveling weeds along fence lines, buildings, and roadsides, this weed killer for grass kills the weeds while leaving fertile soil available for the plants you want-any product not absorbed by the plant will deactivate after it touches the ground. A combination of two herbicides, this weed preventer for lawns starts to kill weeds on contact, producing visible wilting within 12 hours. Kudzu, wild blackberry, poison ivy, poison oak, crabgrass, and dandelions (and over 100 other plants) are no match for this product, which is rainfast in thirty minutes and effective for up to 6 months. There are no entry restrictions to sprayed areas for pets or people after the spray has dried. Order a bottle of RM18 weed killer today.
For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.
- Concentrated formula makes up to 106 gal. to provide unwanted brush, grass and broadleaf weed control
- This weed and grass killer treats up to 31,800 sq. ft.
- Produces visible results in as little as 12 hours
- Kills the weeds and grasses down to the root while leaving fertile soil available for the plants you want
- This weed preventer for lawns is made from a combination of two herbicides to start killing weeds on contact
- Effective against Kudzu, wild blackberry, poison ivy, poison oak, crabgrass, and dandelions (and over 100 other plants)
- Rainfast in thirty minutes and effective for up to 6 months
- No entry restrictions to sprayed areas for pets or people after the spray has dried
- Includes 2.5 gal. bottle of weed killer
- For best results, apply this herbicide on a warm, sunny day when wind is calm and weeds are actively growing
| Brand | RM18 |
|---|---|
| Country of Origin | Made in USA |
| Active Ingredients | Glyphosate, isopropylamine salt, Diquat dibromide |
| Application Method | Spray bottle |
| Compatible Seasons | All-season |
| Concentrated or Ready to Use | Concentrated |
| Contact Or Systemic | Contact |
| Coverage Area | 31,800 sq. ft. |
| Emergence | Post-Emergent |
| Fertilizer Coverage Area Range | Over 20000 sq ft |
| Form | Liquid |
| Package Quantity | 1 |
| Package Size | 2.5 gal. |
| Product Height | 14.5 in. |
| Product Length | 6 in. |
| Product Weight | 24.5 lb. |
| Product Width | 9 in. |
| Warnings | None |
| Weed Killer Features | N/A |
| Weed Killer Longevity | 180 days |
| Manufacturer Part Number | 75437 |
Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 45 Questions
Newest questions
Q: Is this product safe around dog lots ?
5 days ago1 Answer
- AI-generated, Human-approvedA: Yes, this product is safe for pets once the spray has completely dried. There are no entry restrictions for pets or people to the treated areas after the application is dry.5 days agoHelpful?
Q: Does this product kill morning glory, English ivy, and grapevine?
26 days ago1 Answer
- AI-generated, Human-approvedA: Yes, this product is effective against grapevine and other broadleaf weeds. While morning glory and English ivy are not explicitly listed, this non-selective herbicide is designed to kill over 100 types of plants, including unwanted brush and vines, by starting to kill on contact.26 days agoHelpful?
Q: Can you use this product on dormant Bermuda grass to kill cool season grass and weeds?
26 days ago1 Answer
- A: No, you cannot use RM18 Fast-Acting Grass and Weed Killer on dormant Bermuda grass.26 days agoHelpful?
Q: what is the per gallon mix, is this a pre or post emergent weed killer
4 months ago1 Answer
- A: Howdy neighbor! The official mix rate for RM18 Fast-Acting Grass and Weed Killer is 6 fluid ounces (12 tablespoons) of concentrate per 1 gallon of water to treat 300 square feet, though you can use a lighter dose of 3 fluid ounces per gallon for small, easy-to-kill seedlings. This product is strictly a non-selective, post-emergent weed killer, meaning it will only destroy green weeds and grasses that are actively growing above the ground upon contact and contains zero pre-emergent properties to stop future seeds from sprouting.4 months agoHelpful?
Q: Will this harm hedges when used to spray weeds growing in them?
4 months ago1 Answer
- AI-generated, Human-approvedA: It depends on how the product is applied. While it is designed to kill weeds and grasses without harming tree root systems, it starts to kill on contact. To avoid harming hedges, ensure the spray does not touch their foliage, as any product not absorbed by the plant will deactivate after it touches the ground.4 months agoHelpful?
Q: Will it kill trees if sprayed to close to the tree. Video shows a man spraying around a tree.
6 months ago1 Answer
- AI-generated, Human-approvedA: No, this product is designed to kill weeds and grasses without harming the root systems of your trees. It deactivates once it touches the ground, leaving the soil fertile for the plants you want to keep. Additionally, you can safely plant new trees just one day after an application.5 months agoHelpful?
Q: After using this product, how long before you could plant seed for grass
8 months ago1 Answer
- A: You can plant grass seed 3 days after applying RM18 Fast-Acting Grass and Weed Killer.8 months agoHelpful?
Q: Can i spray around pond
a year ago2 Answers
- A: Do not spray this product in the pond or close enough that the spray drift might reach the ponda year agoHelpful?
Q: How soon can I plant after application
a year ago1 Answer
- A: All ornamental flowers, trees and shrubs may be planted 1 day after application. Lawn grasses, herbs, vegetables, and fruits may be planted 3 days after application.a year agoHelpful?
Q: Will this kill nut sedge and it’s rhizomes?
a year ago1 Answer
- A: Hello, thank you for your question. It may kill nutsedge with multiple applications, but it is unlikely that it will kill its underground structures. You’ll need specialized sedge herbicides for reliable results.a year agoHelpful?
1 - 10 of 45 Questions
Q&As
Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 45 Questions
Newest questions
Q: Is this product safe around dog lots ?
5 days ago1 Answer
- AI-generated, Human-approvedA: Yes, this product is safe for pets once the spray has completely dried. There are no entry restrictions for pets or people to the treated areas after the application is dry.5 days agoHelpful?
Q: Does this product kill morning glory, English ivy, and grapevine?
26 days ago1 Answer
- AI-generated, Human-approvedA: Yes, this product is effective against grapevine and other broadleaf weeds. While morning glory and English ivy are not explicitly listed, this non-selective herbicide is designed to kill over 100 types of plants, including unwanted brush and vines, by starting to kill on contact.26 days agoHelpful?
Q: Can you use this product on dormant Bermuda grass to kill cool season grass and weeds?
26 days ago1 Answer
- A: No, you cannot use RM18 Fast-Acting Grass and Weed Killer on dormant Bermuda grass.26 days agoHelpful?
Q: what is the per gallon mix, is this a pre or post emergent weed killer
4 months ago1 Answer
- A: Howdy neighbor! The official mix rate for RM18 Fast-Acting Grass and Weed Killer is 6 fluid ounces (12 tablespoons) of concentrate per 1 gallon of water to treat 300 square feet, though you can use a lighter dose of 3 fluid ounces per gallon for small, easy-to-kill seedlings. This product is strictly a non-selective, post-emergent weed killer, meaning it will only destroy green weeds and grasses that are actively growing above the ground upon contact and contains zero pre-emergent properties to stop future seeds from sprouting.4 months agoHelpful?
Q: Will this harm hedges when used to spray weeds growing in them?
4 months ago1 Answer
- AI-generated, Human-approvedA: It depends on how the product is applied. While it is designed to kill weeds and grasses without harming tree root systems, it starts to kill on contact. To avoid harming hedges, ensure the spray does not touch their foliage, as any product not absorbed by the plant will deactivate after it touches the ground.4 months agoHelpful?
Q: Will it kill trees if sprayed to close to the tree. Video shows a man spraying around a tree.
6 months ago1 Answer
- AI-generated, Human-approvedA: No, this product is designed to kill weeds and grasses without harming the root systems of your trees. It deactivates once it touches the ground, leaving the soil fertile for the plants you want to keep. Additionally, you can safely plant new trees just one day after an application.5 months agoHelpful?
Q: After using this product, how long before you could plant seed for grass
8 months ago1 Answer
- A: You can plant grass seed 3 days after applying RM18 Fast-Acting Grass and Weed Killer.8 months agoHelpful?
Q: Can i spray around pond
a year ago2 Answers
- A: Do not spray this product in the pond or close enough that the spray drift might reach the ponda year agoHelpful?
Q: How soon can I plant after application
a year ago1 Answer
- A: All ornamental flowers, trees and shrubs may be planted 1 day after application. Lawn grasses, herbs, vegetables, and fruits may be planted 3 days after application.a year agoHelpful?
Q: Will this kill nut sedge and it’s rhizomes?
a year ago1 Answer
- A: Hello, thank you for your question. It may kill nutsedge with multiple applications, but it is unlikely that it will kill its underground structures. You’ll need specialized sedge herbicides for reliable results.a year agoHelpful?
1 - 10 of 45 Questions
Similar Items
Reviews
Summary of Reviews
The product is generally effective at killing weeds and grasses, with many customers reporting it works well and acts quickly. However, some found it may require multiple applications or higher concentrations, especially for tougher vegetation. While most consider it a solid weed killer, a few were ...
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Most Helpful Favorable Review
5 out of 5 stars.
Jan
6 years ago
I first bought this product and am happy to find out is works so much better than any of the weed & grass killers I have ever used.
6 people found this helpful
Show Reviews:
Most Helpful Critical Review
1 out of 5 stars.
Waste of $$$$
6 years ago
i figured that this would be better to buy over Roundup but noooo!
Mixed up 2 2.5 gallon tanks and double the passes and the weeds and grass are feeling great.
Double the amount to water didn't have any better effect.
Back to Roundup.
8 people found this helpful
Show Reviews:
Customer Images and Videos
- weeds
- results
- grass
- price
- effect on weeds
- purchase
- quality
- killing
5 to 34 of 742 Reviews .
1 – 30 of 742 Reviews
Most Recent
Review 1
4 out of 5 stars.
Price & Quality
5 months ago
This is a good product, but I think that I will be using another kind of weed killer since the price of this has went up tremendously!!! I understand that prices go up but this is a bit much.
Anonymous
Rusk, Texas
Review 1
5 out of 5 stars.
Works
6 months ago
Works fast, going to see how it works
SweepstakesYes
Yes, I recommend this product.
Anonymous
5844 e. Southern ave.
Apache Junction
Review 1
2 out of 5 stars.
not as good as advertised
6 months ago
I applied this to the weeds on the east part of my backyard and at first they all became a dull green then after 2 days their color all came back and they all started growing again. Im afraid this was not a good product as my weeds are all growing again.
SweepstakesYes
No, I do not recommend this product.
Response from Ragan and Massey:
6 months ago
Ragan and Massey
Call us at 800-264-5281 and lets see what is happening.
Review 1
5 out of 5 stars.
Great product
a year ago
I’m a little confused at the negative reviews, I have personally use this product this weekend. I mixed up 6 ounces per gallon and was very pleased with the results. I applied the product to grass and weeds and within 24 hours it worked just fine. As an over-the-counter product, you cannot beat this.
Review 1
1 out of 5 stars.
Poor quality
a year ago
This product isn’t worth a dime. A waste of time and money. Mixed it as specified and sprayed an area two times and still hasn’t killed nothing. Totally worthless
Response from Ragan and Massey:
a year ago
Ragan and Massey
Call us at 800-264-5281 if your weeds are not dying.
Review 1
1 out of 5 stars.
Is not fast acting and does not kill weeds
a year ago
I bought this product twice, did not come close to what the product claims to do. I’ve used Diquat many times in the past and was pleased with the results. This formula just doesn’t do the job. Burns foliage but does not eradicate as described. I’ve added surfactant to it and that doesn’t help.
China, mi
Reviews 5
5 out of 5 stars.
Use it all around our farm. Fast longterm results
a year ago
Weed ans brush killer
SweepstakesYes
Yes, I recommend this product.
Beaverdam, VA
Review 1
5 out of 5 stars.
Excellent product.
a year ago
Works as described and better than I expected. The website says it only needs 30 minutes after application to be effective. I sprayed my yard about 3 hours before it started raining for 5 straight days! I could see the weeds starting to die on day 4 and now, everything is dead!
SweepstakesYes
Reviews 2
5 out of 5 stars.
Great weed killer
2 years ago
It does what its suppose to do.
SweepstakesYes
Grape Creek Texas
Reviews 2
1 out of 5 stars.
no thank you
2 years ago
Did not work ... kind of burnt Johnson grass a little ... seemed to make the Rag weeds grow better... did kill a few of other weeds... did not affect the gourd plants at all. This was used after plot had been mowed and after a 9+ inch rain received some 10 days before.
Pretty sure will not buy this product again.
Response from Ragan and Massey:
a year ago
Ragan and Massey
Call us at 800-264-5281 if your weeds are not dying.
Review 1
5 out of 5 stars.
Truly, amazing grass killer
2 years ago
Works fantastic.
SweepstakesYes
Yes, I recommend this product.
Lexington Indiana
Review 1
5 out of 5 stars.
RM18
2 years ago
Love the RM Weed kill products, been using about 3 years.
SweepstakesYes
Yes, I recommend this product.
Anonymous
Summit Mississippi
Review 1
5 out of 5 stars.
Fast Acting Weed Killer RM-18 Works
2 years ago
Product works as good as the expensive stuff I use to buy and is less expensive. Would recommend
SweepstakesYes
Yes, I recommend this product.
North Carolina
Reviews 4
5 out of 5 stars.
Excellent for quick knock down
2 years ago
Works great for a fast kill
SweepstakesYes
Yes, I recommend this product.
Review 1
5 out of 5 stars.
Weed Killer
2 years ago
Worked great!! Started noticeably dying in 6 hours
SweepstakesYes
Yes, I recommend this product.
Scott, LA
Review 1
1 out of 5 stars.
Doesn’t work as advertised
2 years ago
Junk. Use another product
SweepstakesYes
Response from Ragan and Massey:
2 years ago
Ragan and Massey
Andy call us at 800-264-5281
Review 1
2 out of 5 stars.
I had to spray my food plots three times.
2 years ago
Three treatments mixed at the recommended dose and still hasn’t killed the weeds and grass.
SweepstakesYes
Reviews 7
3 out of 5 stars.
Herbicide
2 years ago
Didnt kill everything i wanted
SweepstakesYes
Yes, I recommend this product.
Review 1
5 out of 5 stars.
Look no further. This is all you need
2 years ago
Powerful and reliable it has never failed me
SweepstakesYes
Yes, I recommend this product.
Reviews 2
5 out of 5 stars.
Worked well.
2 years ago
I was concerned about possible odor as I was using around the patio but this was not to be an issue. It seemed to be odorless and it did work. The concentrated level was minimal. I used in a 2 gallon hand sprayer. Although I did not follow directions of applying in direct sunlight but I applied in the late evening as I was leaving for a few days and wanted it done. It did take a bit longer but still worked well. I feel this is a value for the price compared to other herbicides.
SweepstakesYes
La
Review 1
1 out of 5 stars.
Not so great
2 years ago
Not fast acting and I used 16oz to 2 gal n barely killed weeds
SweepstakesYes
No, I do not recommend this product.
Review 1
1 out of 5 stars.
Do not buy
2 years ago
Do not recommend. Started showing a change after several days. do not recommend
SweepstakesYes
No, I do not recommend this product.
Flippin, Ar
Review 1
5 out of 5 stars.
Best Weed killer
2 years ago
I really like using this particular weed killer. It works fast and it works good During the summer, I sprayed late in the evening and by noon the next day, all the grass was dead that I sprayed
SweepstakesYes
Yes, I recommend this product.
Reviews 4
1 out of 5 stars.
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2 years ago
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No, I do not recommend this product.
Reviews 4
5 out of 5 stars.
Worked great
2 years ago
Worked wonderfully, though a second treatment was required.
SweepstakesYes
Yes, I recommend this product.
Maryland
Reviews 5
5 out of 5 stars.
Mike B.
2 years ago
Works really well, killed grass in one day
SweepstakesYes
Yes, I recommend this product.
Reviews 2
5 out of 5 stars.
Saw results the next day. Worked great.
2 years ago
Fast Acting weed killer.
SweepstakesYes
Reviews 5
5 out of 5 stars.
Grass burrs and Johnson grass
2 years ago
The recommended 3.2 ounces per gallon is not potent enough to kill Johnson grass, grass burrs, and other tougher weeds, it just turned them yellow, but making it a little more potent works fine.
MN
Review 1
2 out of 5 stars.
Buy the RM43
2 years ago
Cheaper than the RM43, but poor results compared to it
SweepstakesYes
No, I do not recommend this product.
Response from Ragan and Massey:
2 years ago
Ragan and Massey
They are two different products.
Florida
Review 1
3 out of 5 stars.
Weedkiller
2 years ago
Works ok. Yellows fairly quick but doesnt fully kill any quicker than the cheaper farmworks 41% glyphosate. I been experimenting with different ones. Gave it a try. I will just stick with farmworks
SweepstakesYes
Yes, I recommend this product.