BioAdvanced Brush Killer Concentrate - 32 oz
$41.80
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- $25.08reg $29.62 Sale4.1 out of 5 stars with 93 ratings
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Guests are saying
The BioAdvanced Brush Killer Plus is a highly effective solution for tackling tough weeds and brush, making yard maintenance easier for guests. Its ready-to-use formula and clear instructions allow for straightforward application, whether using a sprayer or a pump tank. Many guests appreciate its quick action, with visible results often seen within days. While some noted slower results on certain plants, the overall consensus is that this product is a reliable choice for maintaining a clean and healthy yard.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.5 out of 5 stars with 941 reviews
5 out of 5 stars
21 September, 2026
originally posted on BioAdvanced
Works well!
[This review was collected as part of a promotion.] I really needed something that got rid of blackberry plants because they have very much overtaken everything. This stuff worked pretty well! It doesnt smell terrible, jts easy to prepare, and is safe! Best of all, the storage is very simple!
1 reply from BioAdvanced team - 11 days ago
Thanks for sharing your experience! We're glad to hear the product helped take on those stubborn blackberry plants and was easy to use. It's great to know the low odor, simple storage, and overall performance checked all the right boxes. Happy gardening!
5 out of 5 stars
16 September, 2026
originally posted on BioAdvanced
Easy to use
[This review was collected as part of a promotion.] This product was easy to use. Just connect to your hose and it's good to go. Started killing brush and weeds in about a week. I have no complaints. Simple product.
1 reply from BioAdvanced team - 14 days ago
Thanks for sharing your experience! We’re glad to hear the product was simple to use and that the hose-end application made getting started easy. It’s great to know you began seeing results on brush and weeds within about a week.
5 out of 5 stars
13 September, 2026
originally posted on BioAdvanced
A MUST HAVE for all the stubborn weeds in your yard
[This review was collected as part of a promotion.] I've been tackling some seriously overgrown areas around my property so I was excited to try BioAdvanced Brush Killer Plus. It was easy to mix the concentrate in my spraying spreader and apply, and I like that it made it specifically for tough weeds and unwanted growth especially poison ivy in areas I didn't want in my backyard. It was simple to use and to apply exactly where I needed it. It is working exactly as it needs to be and helping these nuisance weeds and plants to be a thing I dont have to worry about again this season. VERY EFFECTIVE. Will be using again every season as a safeguard. Thankful for this product. Will definitely purchase in the future.
1 reply from BioAdvanced team - 16 days ago
Wonderful! We're glad to hear of your positive experience with BioAdvanced Brush Killer Plus. Thank you for taking the time to share your success!
1 out of 5 stars
12 September, 2026
originally posted on BioAdvanced
Waste of time unfortunately
[This review was collected as part of a promotion.] I had very high hopes but mixed it at the high end just in case. I used the full 8 ounces per gallon. I applied on numerous types of greenery, including grass, vines, blackberries, and poison ivy and oak. After waiting a full week to look for discoloration I only seen that it killed some leaves on the blackberries, but did not keep new growth from appearing..
1 reply from BioAdvanced team - 16 days ago
That is very disappointing to hear, and I can understand why you'd be frustrated with this outcome. We'd like to see what we can do to help. Please reach out to our Consumer Affairs team by e-mail at consumeraffairs@bioadvanced.com. We are available Monday through Friday from 8:30 AM to 5PM CT.
4 out of 5 stars
10 September, 2026
originally posted on BioAdvanced
Consistency is Key
[This review was collected as part of a promotion.] It was very easy to use in a spray pump and tackle the problem areas. It was easy instructions to follow to be effective. I think the value was great for the size container that was received. It did take a bit of time for the weeds and overgrowth to die down, but it has been so rainy recently that it does affect the use. Just make sure you are using it daily.
1 reply from BioAdvanced team - 22 days ago
Thank you for sharing your experience! We’re glad you found the product easy to apply and appreciated the value. Weather can definitely impact weed control, and we recommend applying when weeds are actively growing and following the label directions for best results. We appreciate your feedback!
5 out of 5 stars
9 September, 2026
originally posted on BioAdvanced
Weed Killer SLAYS
[This review was collected as part of a promotion.] Pretty convenient to use right out of the bottle. I appreciated that the bottle was sturdy and the sprayer felt much easier to control than your average weed killer. The smell was noticeable, but not overwhelming. I think I’d use it again. 
1 reply from BioAdvanced team - 23 days ago
Having a sturdy bottle and a sprayer that gives you total control makes taking care of weeds so much easier! It is great to hear that the formula applied smoothly and that the scent wasn't overwhelming for you. Thank you for taking the time to leave a review, and we look forward to being your go-to choice for BioAdvanced weed control again in the future!
4 out of 5 stars
9 September, 2026
originally posted on BioAdvanced
Easy to use and gets the job done!
[This review was collected as part of a promotion.] Very easy to use and gets the job done! This spray was honestly very easy to use- just attach to the hose and you’re ready to go. It works great for those tougher weeds like poison ivy and oak that pop up near the trees and wooded areas and you can spray far enough away that you aren’t getting too close. It comes in a large enough bottle that it treats a big area of our woods and is dry within a few hours!
1 reply from BioAdvanced team - 23 days ago
Thank you for sharing your experience! It is wonderful to hear that the hose-end design provided convenient reach for wooded areas and effectively targeted tough weeds like poison ivy and poison oak. We appreciate you taking the time to review BioAdvanced.
5 out of 5 stars
8 September, 2026
originally posted on BioAdvanced
Effective
[This review was collected as part of a promotion.] Worked great on an area where poison ivy was starting to appear near my steps. One treatment and it killed off the ivy and weeds but didn’t damage my garden plants. Easy to use sprayer bottle, no dripping, stores nicely.
1 reply from BioAdvanced team - 23 days ago
Clearing away poison ivy right next to your steps without harming your nearby garden plants is a huge relief! It is great to hear that the sprayer made application mess-free and that you had such quick success. Thank you for choosing BioAdvanced to keep your walkways clear and safe!
4 out of 5 stars
7 September, 2026
originally posted on BioAdvanced
Works Well, but Takes Some Patience
[This review was collected as part of a promotion.] BioAdvanced Brush Killer Plus Concentrate has worked pretty well for controlling tough brush and unwanted growth around my property. It’s easy to mix and apply, and I like having the concentrate because a little product can cover a decent-sized area. It did a good job on several types of brush and weeds, but the results weren’t immediate. Some areas took a while to show noticeable dieback, and a few tougher spots needed additional treatment. Overall, though, the performance has been solid and the concentrate offers good value for larger jobs. I’m giving it 4 stars because it works, but I wish the results were a little faster and more consistent on stubborn growth.
1 reply from BioAdvanced team - 23 days ago
Conquering dense, stubborn brush requires serious power, and we are glad the concentrate gave you great coverage and value for your property! Brush killer formulas are designed to move systemically down into deep root structures, which takes a little extra patience, but targeting the entire root system is key to preventing tough growth from sprouting back. For those particularly persistent spots, spraying when the brush is actively growing during mild weather can help speed up absorption. Thank you for sharing such balanced feedback, and we are happy BioAdvanced helped you take control of your property!
3 out of 5 stars
7 September, 2026
originally posted on BioAdvanced
Endurance is still a question mark
[This review was collected as part of a promotion.] I was excited to get this product for a small area that is just getting out of hand. It worked great with the first treatment but when the grass started growing back, resprays seemed to have little effect. I can’t blame the product entirely as the weather has not been the recommended conditions but I am also past my deadline for this review. It is a large jug so hopefully I can revise this review soon. The packaging is bright and colorful and will catch your eye at the store
1 reply from BioAdvanced team - 23 days ago
Seeing initial success only to have regrowing grass resist follow-up treatments can be really frustrating, especially when weather conditions aren't cooperating! Factors like ambient temperature, soil moisture, and plant growth stage play a massive role in how effectively systemic formulas absorb on repeat applications. Since you have plenty of product left in that jug, we want to make sure you get the best possible results when the weather aligns. Please reach out to us via live chat on the BioAdvanced website (Monday through Friday, 9:00 AM to 5:00 PM EST)—our team would be happy to help you optimize the timing for your next spray!
4 out of 5 stars
7 September, 2026
originally posted on BioAdvanced
Super easy to use!
[This review was collected as part of a promotion.] This was so easy to use - you just hook your hose up to it and turn the dial and spray. It's that easy! It did take a little while before the weeds started dying back. I figured it would work much more quickly. However, it's been a few weeks and they haven't grown back so it seems to do the job well!
1 reply from BioAdvanced team - 23 days ago
Having a simple hose-end setup that makes application effortless is always a win, and we are so glad to hear your lawn has stayed weed-free for weeks! While systemic weed killers can take a little extra time to work their way down to the roots for complete elimination, we love that you are seeing such lasting results. Thank you for taking the time to share your review and for trusting BioAdvanced for your lawn care!
2 out of 5 stars
6 September, 2026
originally posted on BioAdvanced
Doesn’t work
[This review was collected as part of a promotion.] Product did nothing. Sprayed the whole area per the instructions and it did nothing. The weeds are still there. Didn’t kill the grass or anything.
1 reply from BioAdvanced team - 23 days ago
We are so sorry to hear you didn't get the weed control you expected! Herbicide results can vary based on weed type, plant stage, weather conditions, or whether the formula relies on systemic action that takes time to reach the roots. We would love to help figure out what happened and make things right. Please reach out to us via live chat on our website (Monday–Friday, 9:00 AM to 5:00 PM EST) with your product details so our team can assist you directly.
3 out of 5 stars
5 September, 2026
originally posted on BioAdvanced
Average
[This review was collected as part of a promotion.] It was easy to apply and instructions were clear. Two weeks after applying to tall woody weeds, only the flower parts had turned brown. I did two applications to a patch of clover in my flower bed and it did nothing. I had to pull them out by hand.
1 reply from BioAdvanced team - 23 days ago
We appreciate you sharing your experience and are glad the instructions were clear! Results can vary based on weed type, and dense or woody growth often requires deeper systemic action to fully reach the root. For flower beds, always check the product label first to ensure the formula is safe for surrounding plants and effective on target weeds like clover. If you'd like us to troubleshoot your application, please connect with our team via live chat on our website.
5 out of 5 stars
5 September, 2026
originally posted on BioAdvanced
Great
[This review was collected as part of a promotion.] This stuff is great! It really kills any weeds you have and stops them from coming back! It’s highly effective and the sprayer is so easy to use! I love it!
1 reply from BioAdvanced team - 24 days ago
Amazing! We are thrilled to hear of your positive experience with BioAdvanced Brush Killer Plus!
4 out of 5 stars
4 September, 2026
originally posted on BioAdvanced
Effective at eliminating overcrowding weeds!
[This review was collected as part of a promotion.] The BioAdvanced Brush Killer Plus had its work cut out for it on my bank! Very overgrown as I tend to clean it up twice a year. This concentrate was easy to mix with clear instructions and is currently battling all my pesky weeds!
1 reply from BioAdvanced team - 23 days ago
Battling thick, overgrown brush on a slope is no easy task, so we are thrilled our concentrate made mixing simple and is taking on those stubborn weeds for you! Root-level brush control usually takes a few weeks for complete results, so keep an eye out for continued progress. Thank you for choosing BioAdvanced to clear up your bank!
2 out of 5 stars
4 September, 2026
originally posted on BioAdvanced
Didn’t do much.
[This review was collected as part of a promotion.] The spray works well as far as coverage. However I sprayed poison ivy and a few other things in these pictures without much effect on any of them. It may need to be a bit stronger to do the job.
1 reply from BioAdvanced team - 23 days ago
We are sorry to hear you didn't see the results you expected on those tough weeds! Tough woody brush like poison ivy can take several weeks for the active ingredients to work their way down to the roots, and heavier growth often requires a thorough, coarse spray to ensure complete coverage. If the weeds still don't show signs of wilting after a few weeks, please reach out to our team via live chat on our website so we can help troubleshoot or discuss product options with you. As a quick safety reminder, please ensure children and pets stay completely off the treated area until the spray has dried. Thank you for giving BioAdvanced a try!
5 out of 5 stars
3 September, 2026
originally posted on BioAdvanced
Useful Product
[This review was collected as part of a promotion.] My boyfriend was very excited to get this product! Living in Vegas we have lots of weeds and dead brush that our HOA makes us maintain and this helps!
1 reply from BioAdvanced team - 23 days ago
Thank you for sharing your experience! We’re glad to hear BioAdvanced Brush Killer Plus is helping you keep up with the weeds and dead brush around your property. We know maintaining your yard can be a challenge, and we’re happy to be part of making that job a little easier. We appreciate you choosing BioAdvanced!
5 out of 5 stars
3 September, 2026
originally posted on BioAdvanced
Easy and effective
[This review was collected as part of a promotion.] We have been using this everywhere since our yard was a wooded area prior to our house being built. We have a ton of brush and have to constantly clear it. This picture is the next spot we are going to use it. The directions are clear for dilution and it is definitely strong and kills everything and is so helpful to help us maintain. Easy to use. Will repurchase for sure.
1 reply from BioAdvanced team - 23 days ago
Thank you for sharing your experience! We’re glad to hear BioAdvanced Brush Killer Plus has been a helpful solution for managing the brush and unwanted growth around your property. It’s great to know you found the dilution directions clear and the product easy to use. We appreciate your trust in BioAdvanced and are happy to hear you’ll be purchasing again!
5 out of 5 stars
3 September, 2026
originally posted on BioAdvanced
Great product- easy to use
[This review was collected as part of a promotion.] With a good amount of poison ivy on our acreage, I really appreciate a product that can take it out! The concentrate is the way to go to mix your own and have it go further. Very easy to use!
1 reply from BioAdvanced team - 23 days ago
Thank you for sharing your experience! We’re glad to hear the concentrate has been easy to use and has helped you manage the poison ivy on your acreage. It’s great to know you appreciate the convenience of mixing your own solution and getting more coverage. We truly appreciate your feedback and recommendation!
5 out of 5 stars
3 September, 2026
originally posted on BioAdvanced
Effective in thick brush
[This review was collected as part of a promotion.] The brush killer worked quickly and well. It was a bit slower to work in the shaded areas (about 5 days), but was still effective. In the full-sun area, the brush and grass were completely dead within 3 days. It was easy to use and came with a helpful measuring cup.
1 reply from BioAdvanced team - 23 days ago
Thank you for sharing your experience! We’re glad to hear the brush killer worked quickly and effectively for you, even in the shaded areas. We’re also happy that you found the product easy to use and appreciated the included measuring cup. Thank you for choosing our product and for taking the time to share your feedback!