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🌱 Kill weeds, not your vibe—safe for pets, fierce on weeds!
Just For Pets Weed Killer Spray is a 128 oz ready-to-use, natural vinegar-based herbicide designed to eliminate weeds quickly without harmful glyphosate. Perfect for pet owners, it offers broad coverage and supports animal shelters with every purchase, delivering effective weed control while prioritizing safety and community impact.





| ASIN | B07SW1HBC3 |
| Active Ingredients | Vinegar |
| Best Sellers Rank | #721 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #21 in Weed Killers |
| Brand | JUST FOR PETS |
| Brand Name | JUST FOR PETS |
| Coverage | The area that can be treated with 128 fluid ounces of the weed killer |
| Customer Reviews | 3.9 out of 5 stars 5,768 Reviews |
| Item Form | Spray |
| Item Weight | 128 Ounces |
| Liquid Volume | 128 Fluid Ounces |
| Manufacturer | Natural Armor |
| UPC | 787303669966 |
| Unit Count | 128.0 Fluid Ounces |
S**O
Make a Few Key Adjustments to the Sprayer, Then This Stuff Works Great
***How to fix the sprayer and get it to work until the container is empty*** Like a number of people, I was having trouble with the sprayer included, so I messaged the Just for Pets support folks, and this was the advice I got (and it worked): 1) Take the plastic filter off the very end of the tube. It just pops right off. Throw it away, it does nothing but impede the flow of the weed killer. 2) Adjust the length of the tub that is in the bottle. When you first open the sprayer, a much longer portion of the tub than is needed is below the cap level. This is bad. You want the tube to be just as long as the carton is tall. No longer, no shorter. So measure out the tube from the end and move the little white place holder thing so that when the tube is in the carton it's only as long as the carton is tall. That's it. Once you've made these two adjustments I found the sprayer works from start to finish with the only hiccup being once I was basically at the end of the carton, but then you just have to tilt the carton towards one corner and you'll get the last few sprays of weed killer before it's completely empty. ***Does it work?*** Yes, yes it does. And not just on small little weed patches. Our backyard was SERIOUSLY overgrown with weeds 2-4 feet tall in patches multiple feet long by multiple feet wide. It took about 4 cartons (this carton with the sprayer included and then the refill pack with 4 of these cartons), but we killed it all off using nothing but this spray. It took about 3 rounds of spraying for the really tall weeds: 1) First Spray. 2) Check for progress in a day or two. 3) Second Spray for the remaining green leaves 4) Check for progress in a day or two. 5) Third, and typically final spray, for the last remaining vestiges of green on the weeds just so they couldn't absorb anymore nutrients and regrow. 6) Let the weeds fully wither and die. Granted, our backyard now looked like Ursula's sea cave with all those creepy gray sad creatures poking up from the ground, but at least we didn't have waist-high weeds anymore. This stuff is effective, it just takes a little bit more effort than glyphosate alternatives, but not risking our pups' safety was a major concern so it was worth it. ***The Smell*** Yes, while you're spraying you will absolutely notice that it smells strongly of vinegar (because, well, it contains a fair bit of it), the smell doesn't linger once it dries though. ***Overall Value*** It might not feel like a lot of weed killer in each carton, but we found each carton actually covered a surprising amount of ground and height. If I had to guess you get about 100-150 trigger pulls with full blasts of weed killer. That may be an underestimation though since, with our weeds as tall as they were, we were just going a bit nuts with rapid fire to speed the process along and make sure everything was nice and covered.
S**E
Easy to use and fast working.
Just for Pets Weed Killer Spray killed the weeds growing in the crevices in my driveway within 2 hours. It works very well. No strong odor. Easy to use and safe for my dog.
J**M
This will kill EVERYTHING it touches
Do not purchase for spraying weeds in yards. It will kill your grass. I bought this product to kill weeds but everywhere I sprayed it also killed all my grass. I know have to re seed my whole back yard. If you want to kill weeds just in driveway or sidewalk or clear an area out, it’s great. Do not use on your yard to kill any weeds. Also tried some in flower bed to kill weeds. Killed flowers too
B**X
This stuff works better and faster than RoundUp, but defective spraying mechanism
To be honest I didn't have high expectations for this...boy, was I wrong; I applied it in the morning and by the afternoon there was noticeable leaf wilt. Ever seen it that fast with RoundUp? I saw some 1 star reviews that mentioned being angry that this killed grass; the 1-sheet instructions/tip page enclosed with the product states very clearly...this will KILL grass too. Sometimes it helps to read all the enclosed material. THe only downside to this is that it definitely has a strong smell, but it disappeared after a day or so. I'll take that any day of the week for the fast results I got with this! Update June 5: Dropping a star, like so many others, i've experienced the problems with the spray attachment, just stopped working after 3 applications. Luckily I had a pump sprayer so was able to complete my spraying, but if you don't have an alternative spray mechanism, this will not work for you.
L**Y
Thrilled with the results!
This product is a definite 10 out of 10!!! I used it for the weeds growing through the pavers on my patio and they started turning yellow within an hour and were completely dead the next day. It had no chemical smell, only a mild fragrance that was not unpleasant. I have pets and a grandson and am excited to find a safe product that worked spectacularly! Very happy customer.
T**A
Non- effective for me
Used this product on weeds in my back yard, temps were over 100°, saturated the plants and they didn't die, they didn't even show any sign of distress. He'll, I think they are thriving on it. Hoped it would be good as it is supposed to be safe around pets. I will use vinegar, salt and dawn in future. Sorry. Too costly to not do anything.
S**.
Updated review: 2/21/26
2/21/26: I’m updating my review. I’m about to order another bottle. I still stand by my earlier review but I do want to mention one issue. My last bottle didn’t last too long! Not sure if it was the heat during SoCal summer, but I found out not to keep the spray nozzle/tubing attached to the bottle when not in use. I only got to use that bottle once. I used about a 1/4 of the bottle spraying the pavers in the front and backyard. The rest of the solution leaked out of the nozzle & leaked onto the garden shed floor. Only a 1/4 remained in the bottle. It took until last month for the shed to finally stopped smelling like ketchup! I haven’t seen any reviews having the same complaint. The only thing I noticed was that the next time I went to use the solution the nozzle must have fallen off the shelf. It was hanging by the tubing, straight down to the ground. Not sure if it leaked out because of the combination of the extreme heat and gravity stretching the tubing, but I thought I’d mention it so others won’t experience the same annoying loss! I now screw the cap back on the bottle when I store it. Previous 2024 review: This stuff really works! I used it on all the cement and paver areas in the backyard and driveway. I know some reviews said the smell was overpowering but it wasn’t as bad as I was led to believe. To me, the initial spray was strong but once I wasn’t directly over the spray, it was bad. I actually think it smells like ketchup. Which made me crave a hot dog afterwards! When I went out later in the day, all the weeds were shriveled up and brown. Not a green weed in sight! My package came tightly wrapped in plastic and in a plastic bag. I do wish the tubing was a bit longer to save my back but other than bending low, I was happy with this weed killer and have peace of mind that it won’t harm my dog if he goes sniffing around the sprayed weeds. To be safe, I don’t allow him outside until an hour after spraying. I can’t find anything like this at the big hardware stores so I’ll be buying it again on Amazon!
B**C
Excellent weed killer!
Honest opinion! I live in Florida and we have St. Augstine grass. I expected this to kill weeds AND my grass. So far, it's killed every single weed I've been struggling with AND -- so far -- it has not killed my grass! Ordering more so I can tackle all the weeds we have, but as you can see via the photos, this really does work! I bought this to make sure it would not harm my dogs and I've yet to spray the back yard (may pull them by hand), but I mean, the results speak for themselves! Just a few examples with less than 24 hours, you can see they're being wrecked :) GREAT product!
Trustpilot
1 month ago
1 month ago