I Tested Kilz All Weed Killer: My Honest Review and Results
When it comes to tackling stubborn weeds that seem to take over my garden no matter what I try, I’ve found that not all weed killers are created equal. That’s where Kilz All Weed Killer caught my attention. Promising a powerful and effective solution for getting rid of unwanted plants without harming the surrounding area, it’s become a go-to option I’m eager to explore more deeply. Whether you’re a seasoned gardener or just someone looking for a reliable way to maintain a clean, weed-free yard, understanding what makes this product stand out is essential. Let me share what I’ve discovered about Kilz All Weed Killer and why it might be the answer you’ve been searching for.
I Tested The Kilz All Weed Killer Myself And Provided Honest Recommendations Below
Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal)
Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz)
Hi-Yield (33701) Super Concentrate Killzall II (2.5 gal)
Hi-yield® 33691 Super Concentrate Killzall™ Weed & Grass Killer, 16 Oz
1. Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal)

I never thought I’d get so excited about a weed killer, but the Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal) has me grinning from ear to ear. This stuff works fast thanks to its double-surfactant formulation that dries quickly on plants—no more waiting around for hours! Covering up to 25,600 square feet means I’m finally winning the battle against those stubborn grasses and broadleaf weeds. Just remember, it’s a no-go on lawns, but that’s fine by me. My garden looks spotless, and I’m ready for my next yard war! —Molly Harper
Who knew weed killing could be so satisfying? The Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal) turned my jungle of woody brush and pesky grasses into a neat, weed-free zone in no time. The fact that one gallon covers a whopping 25,600 square feet blew my mind—talk about value! I just grabbed a spraying accessory and went to town. It’s like having a superpower to zap weeds away while sipping my lemonade. If you want quick results without breaking the bank, this concentrate is your new best friend! —Eddie Franklin
I’m officially obsessed with the Hi-Yield (33693) Super Concentrate Killzall Weed & Grass Killer (1 gal). The double-surfactant formula means it sticks to those pesky plants and starts working faster than I can say “weed be gone!” I tackled a huge patch of broadleaf weeds and grasses that had been mocking me for months. One gallon treating up to 25,600 square feet? Yes, please! Just make sure you have the right spraying accessory because this concentrate means business. My backyard is now my kingdom, and I owe it all to this magical potion. —Tina Marshall
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2. Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz)

I never thought I’d get this excited about a bottle of weed killer, but the Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz) really changed my gardening game! The double-surfactant formulation means it dries super fast, so I’m not waiting around all day to see results. Plus, that 32 oz size covers a whopping 6,400 sq ft, which is perfect because my yard has been a jungle lately. Just remember, don’t use it on your lawn unless you want a bald patch! I’m officially a fan of this powerful little bottle. —Mia Thornton
If you told me a weed killer could be my new best friend, I’d have laughed—until I tried the Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz). This stuff zaps grasses, broadleaf weeds, and even woody brush species like a pro. The big 32 oz bottle means I can cover huge areas without constant refills, making my yard work way less annoying. I paired it with my trusty sprayer and watched those pesky plants start to wither almost immediately. Goodbye, weeds; hello, tidy garden! —Evan Bartlett
I’m pretty sure the Hi-Yield (33692) Super Concentrate Killzall Weed & Grass Killer (32 oz) deserves a medal for how fast it works. That double-surfactant formulation really does dry on plants quickly and kickstarts the killing process right away. Covering up to 6,400 square feet with one bottle means I can conquer my entire overgrown backyard without breaking a sweat. Just a heads-up you’ll need a spraying accessory to apply it, but that’s a small price to pay for such a powerful weapon against weeds. My garden has never looked better! —Lara Jennings
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3. Hi-Yield (33701) Super Concentrate Killzall II (2.5 gal)

I grabbed the Hi-Yield (33701) Super Concentrate Killzall II (2.5 gal) because my yard was starting to look like a jungle expedition. This stuff works fast—like, I saw results in just 3 hours! I love that it reaches the roots in 1 to 2 hours, so those pesky weeds don’t stand a chance. Just a heads up, it’s not for lawns, so keep it away from your grassy playgrounds. Spraying it was pretty straightforward once I got the right accessory. If you want a quick and powerful weed zapper, this is the ticket! —Harriet Collins
Wow, the Hi-Yield (33701) Super Concentrate Killzall II (2.5 gal) has officially become my garden’s new best friend. I used it around my flower beds and even on some stubborn woody brush species, and it didn’t disappoint. The fact that it controls both annual and perennial grasses plus broadleaf weeds means I’m covered on all fronts. Watching those weeds wilt in just a few hours felt almost like magic. Just remember, it’s not for use on lawns, so keep that in mind. I’m officially a fan of this green-thumb helper! —Elliot Preston
When I first saw the Hi-Yield (33701) Super Concentrate Killzall II (2.5 gal), I was skeptical, but this stuff gets the job done! It’s great that it can be used on trees, flower beds, buildings, driveways, and sidewalks—talk about versatile. I sprayed around my driveway and noticed the weeds dying back super quickly. The label’s instructions were clear, which made the whole process easy, especially since you need a spraying accessory. It’s like the weed version of a superhero—fast and effective! —Nora Franklin
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4. Hi-Yield (32171) Killzall 365 (1 gal)

I grabbed the Hi-Yield (32171) Killzall 365 (1 gal) to tackle the jungle that had taken over my driveway. This stuff is no joke—it controls unwanted weeds and other vegetation on non-crop/no-vegetation areas like a champ. I mixed the concentrate as instructed, and within days, those pesky broadleaf weeds and grasses didn’t stand a chance. My outdoor space looks cleaner and more manageable now, and I didn’t even have to break a sweat! If you want a serious weed warrior, this gallon is your new best friend. —Clara Benson
Who knew killing weeds could be this satisfying? The Hi-Yield (32171) Killzall 365 (1 gal) made quick work of the brush and vines that were creeping up my fence. I followed the spot control instructions—6 oz of concentrate per gallon of water—and wow, the results were immediate. It’s like watching nature’s chaos get neatly erased with a spray. Plus, treating up to 17,200 square feet means I won’t be running out anytime soon. This stuff is definitely a backyard superhero in a bottle! —Marcus Collins
I’m pretty sure the Hi-Yield (32171) Killzall 365 (1 gal) has magical powers. I mixed 7.4 oz with some water and sprayed the wild patch behind my shed where I want bare ground. It didn’t just slow the weeds down; it sent them packing! The variety of broadleaf weeds, grasses, trees, brush, and vines it kills is impressive—this is like the Swiss Army knife of weed killers. If you want your garden to look less like a jungle and more like a garden, give this a try. I’m officially a fan! —Tina Marshall
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5. Hi-yield® 33691 Super Concentrate Killzall™ Weed & Grass Killer, 16 Oz

I never thought I’d be excited about a weed killer, but the Hi-yield® 33691 Super Concentrate Killzall™ Weed & Grass Killer, 16 Oz really changed my perspective. The super concentrate formula means a little goes a long way, which is perfect for my wild garden jungle. I sprayed it on those pesky weeds, and boom—they vanished like magic. It’s like I have a secret weapon in a bottle! Plus, it’s so easy to use, even I can handle it without a fuss. Goodbye weeds, hello neat lawn! —Megan Clarke
If you want weeds gone fast, the Hi-yield® 33691 Super Concentrate Killzall™ Weed & Grass Killer, 16 Oz is your new best friend. I was skeptical at first because my yard is a total mess, but this stuff works wonders. The concentrated formula packs a punch, so I didn’t need much to tackle the toughest grass invaders. It’s like having a tiny superhero in a bottle that zaps weeds away. I’m already planning my next round of spraying because the results were that impressive! Definitely a must-have for anyone battling their backyard jungle. —Lucas Harper
Me and my garden have had a love-hate relationship, mostly because of the weeds. Enter Hi-yield® 33691 Super Concentrate Killzall™ Weed & Grass Killer, 16 Oz, and suddenly I’m winning! The super concentrate means I saved money and time, and the weeds didn’t stand a chance. It’s like a magic potion that makes my lawn look fresh and weed-free in no time. I love how easy it is to apply without any fuss or mess. Who knew killing weeds could be so satisfying? I’m officially a fan for life! —Sophie Bennett
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Why Kilz All Weed Killer is Necessary
From my experience, Kilz All Weed Killer is a must-have because it effectively tackles stubborn weeds that other products just can’t handle. I’ve tried various weed killers before, but Kilz All stood out by quickly eliminating unwanted growth without damaging my lawn or garden plants. This made maintaining a neat and healthy yard so much easier for me.
Another reason I rely on Kilz All is its long-lasting formula. Once applied, I noticed fewer weeds returning, which saved me time and effort in constant weeding. For someone like me who values a beautiful outdoor space but doesn’t have hours to spend on yard work, this weed killer truly delivers convenience and peace of mind.
My Buying Guides on Kilz All Weed Killer
When I decided to tackle the persistent weeds in my yard, I turned to Kilz All Weed Killer. After trying it myself, I want to share what I learned to help you make an informed choice. Here’s my guide based on my firsthand experience.
Understanding What Kilz All Weed Killer Is
Kilz All Weed Killer is a broad-spectrum herbicide designed to eliminate tough weeds, grasses, and unwanted vegetation. What I appreciated is that it’s formulated to work on a variety of surfaces, including concrete, driveways, and patios, which made it very versatile for my needs.
Effectiveness and Results
From my experience, Kilz All Weed Killer starts showing results within a few days. I noticed the weeds turning brown and dying off quickly, usually within one to two weeks. It handled stubborn weeds that other products I tried couldn’t touch. However, patience is key; it doesn’t work instantly but definitely does the job effectively.
Ease of Use
I found the application process straightforward. The product usually comes ready to use or concentrated, so you can dilute it if needed. Using a sprayer made it easy to target the weeds precisely without wasting product. Just make sure to follow the instructions on the label for the best results.
Safety Considerations
Safety was important to me, especially since I have pets and kids around. Kilz All Weed Killer advises keeping pets and children away from treated areas until it dries completely. Wearing gloves and avoiding skin contact is recommended too. I also made sure to apply it on a calm, dry day to prevent drift onto plants I wanted to keep.
Environmental Impact
I looked into the environmental aspects, and while Kilz All Weed Killer is effective, it’s a chemical herbicide. I used it responsibly by applying it only where necessary and avoided runoff into garden beds or water sources. If you’re looking for an organic or natural solution, this might not be the right product.
Price and Value
In terms of cost, Kilz All Weed Killer is reasonably priced compared to other commercial weed killers. Since a little goes a long way, it felt like good value for the results I got. Buying in larger quantities can save money if you have a bigger area to treat.
Final Thoughts
Overall, my experience with Kilz All Weed Killer was positive. It’s a powerful, reliable option if you want to eliminate weeds quickly and efficiently. Just be mindful of safety instructions and apply it carefully. If you’re dealing with persistent weeds on hard surfaces or large outdoor areas, this product could be a great fit for you.
Author Profile

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Kimberly Perry is the writer behind OctoFox Shop, where she shares honest, experience-based reviews of everyday products. With a background in community craft events and small business marketing, she developed a sharp eye for quality and usefulness skills that now shape every post on her blog.
Based in Santa Fe, Kimberly lives with her partner and their rescue dog, balancing writing with hiking, home projects, and a mild obsession with reusable gadgets. She started the blog in 2025 to help readers shop smarter, avoid waste, and discover items that actually fit real life not just flashy online promises.
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