STEM Kills Ants, Roaches and Flies: Plant-Based Active Ingredient Bug Spray, Botanical Insecticide for Indoor and Outdoor Use; 12 fl oz (Pack of 1)
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Availability:
In Stock.
Arrives
Oct 28 – Oct 31
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Size: 12 Ounce (Pack of 1)
Features
- Bug spray that quickly kills ants, roaches and flies
- Plant-based active ingredient bug killer safe for use around people and pets (when used as directed)
- Entomologist tested bug spray made with botanical extracts to kill bugs; with a fresh scent and no added dye, fragrance, or harsh chemical odors
- Bug killer for indoor and outdoor use, wherever bugs try to bother you
- Rooted in Nature, Optimized by Science
Description
0
Product Dimensions : 1.9 x 3.9 x 9.25 inches; 12 ounces
Item model number : 123
Date First Available : September 15, 2021
Manufacturer : SC Johnson
Best Sellers Rank: #85 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #8 in Insect & Pest Repellent Sprays
#8 in Insect & Pest Repellent Sprays:
Customer Reviews: 4.3 4.3 out of 5 stars (16,988)
Item Volume: 12 fluid ounces
Number of Items: 1
Unit Count: 12 Ounce
Size: 12 Ounce (Pack of 1)
Brand Name: STEM
Manufacturer: SC Johnson
UPC: 046500032783
Global Trade Identification Number: 83
Item Weight: 12 ounces
Model Number: 123
Manufacturer Part Number: 123
Scent Name: Fresh Botanical
Item Form: Trigger
Target Species: Insects
Material Features: Unscented
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Oct 28 – Oct 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 12 Ounce (Pack of 1)
I'm updating my review: I LOVE THIS STUFF AND NOTHING ELSE WORKS LIKE IT. It's easy. As mentioned below they state STEM may need reapplication, but not that often. And, a little goes a long long way. Plus, because the price is right, you can continue to purchase it as you need it. Critters really hate it and go away. It is so worth it. If you spray them they die immediately but I don't care if they die. I just want them to stay away and they do! The smell is overwhelming and I don't care! The scent alone DETERS anything from insects to rodents. It keeps me from having to set traps. It keeps me from using neurotoxin sprays. I love it and wish it didn't smell so strong but THAT'S WHY IT WORKS!!! It's only essential oils and it is all natural. After the third yellow sac spider (and he seemed well-fed) landed in my bed, I had - had enough. I give a quick SPURT anywhere I might see a cobweb or in corners and on the ceiling fan ...because they seem to like it up there, dopes. Regardless, the smell alone is a deterrent! Wouldn't it be nice if you didn't see them at all! Wouldn't it be nice if they just stayed away? I don't mind reapplication because it doesn't take much. A SPRITZ DOES THE TRICK. Thankfully the price is right or I would look into other options but the lemongrass in this product is despised by spiders and rodents. A small spritz and your whole room will be a deterrent. I would now like to get some sleep and think I will. I don't like seeing creatures and I don't want them around. This keeps them away in the first place! Isn't that what you want? Don't hesitate. Don't bother with ant traps. Use this and repeat the usage until it stops. You can use traps outside the house, if you have more trouble. It does leave a horribly oily residue so don't spray it anywhere you can't wipe down later. That's the only drawback and it's not a big one. Despite the fact that this may need reapplication, it's surprising how well it works. I had to leave one of the homes unoccupied for quite a while (years). I bought this for ants, but was surprised to find that some mice had also taken up residence in the basement. I would spray and although the scent would dissipate, it actually took some time... Longer than they say on the bottle. I also found wetting cardboard, cotton balls or anything absorbent could be placed in various locations and that makes for easy cleanup. I'd simply spray again, and eventually, it seemed they did not want to come back. As far as the ants go, they are dead on contact. All I needed to do was find the general location where they were coming from and it was over. One small word of caution, if you are sensitive to smells, you won't get away scott-free. It may be natural but a little goes a long way. Overspraying, was overwhelming. It gave me headaches. IT WAS STILL WORTH IT! Don't overspray.
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Reviewed in the United States on March 20, 2025 by Amazon Customer
Size: 12 Ounce (Pack of 1)
This might be one of the best fire ant in home sprays I've used. They're really bad here in Texas. They live underneath my slab and it's a constant battle to fight the little jerks. They randomly show up in the house, the pantry, on the counters. This is a little bit on the pricey side at first, but you can use so little that it lasts. It's also the only thing that I've sprayed before that not only kills the one on contacts but definitely seems to create a barrier they don't want to cross. Only downside is it's oily because it is made from natural oils so it does leave that residue as part of the barrier but I have really not had much issue working around it. It also smells pretty good and I don't feel like I'm putting harsh chemicals into my house. Plan to buy again and give to other people I know.
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Reviewed in the United States on September 5, 2026 by Heather Wright
Size: 12 Ounce (Pack of 1)
I bought this for the outdoor flies that attack the feral kitties and I am BEYOND happy with it! Great price for a great product. The only downside I have is that: 1. You have to spray the flies a few times to kill em (which that does say on the bottle, I just wish it was one spray lol) 2. When using this outside be CAREFUL. I’m assuming it’s the oil or geraniol but it left spray stains all over the deck where I feed the cats. Not the end of the world but just something to think about when using. Love the smell, love the product, love that it’s safe for pets, and that it works!
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Reviewed in the United States on July 13, 2026 by Hayley
Size: 12 Ounce (Pack of 1)
It works very well. We had some ants that turned up out of the blue and this stopped them immediately. We have cats so it had to be non toxic. The smell is a bit strong but not a bad smell. Be aware that is oily and slippery. You will need to wipe it off or you can easily go sliding across the floor. Luckily it works pretty much on contact so you can wipe it off within a short period of time.
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Reviewed in the United States on August 7, 2026 by Kindle Customer kk
Size: 12 Ounce (Pack of 1)
THE ONLY ISSUE I AM HAVING IS THAT IT STAINED MY MEXICAN TILES SO BADLY NOT SURE I CAN EVER GET THE STAIN OUT, TRIED EVERY THING AND UNFORTUNATELY I HAVE PETS AND I DO NOT FEEL OK BUYING IT AGAIN WERE I LIVE IT IS VERY HOT AND SUMMER TIME MY ENTIRE HOME IS A ANT COLONLY AND SO DIFFICULT TO GET RID OF WHEN YOU HAVE PETS LAYING ON THE FLOOR AND THEY GET ALL OVER MY PET, SO THE ITEM IS GOOD BUT NOT FOR THE MAJOR ANT ISSUES I HAVE AND DO TO MY PETS MAKES IT HARD TO FIND SOMETHING THAT WILL ACTUALLY WORK AND NOT STAIN THE FLOOR
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Reviewed in the United States on August 27, 2026 by angela jewhurst
Size: 12 Ounce (Pack of 1)
I have been using this off and on since January this year for when I see ants in my apartment. It seems to work pretty well if I spray the locations of trails and entry points. That said, It is unfortunately VERY chemically smelling and leaves behind an oily residue that will never dry on its own or stop having an odor - so if you spray it indoors be wary that you WILL have to wipe it off (with a cleaner/rag) of everything you spray it on. So that said this is only good for solid wipeable surfaces. I also sprayed it in my garage and the chemicals in the spray tore up the flooring (see images) after I let it sit for a week without cleaning it off the surface. 3 stars bc it seems to get rid of ant trails, but it's such a hassle to use and have to wipe up in order to feel like you can breathe in your own home without being bugbombed
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Reviewed in the United States on September 2, 2026 by AKP
Size: 12 Ounce (Pack of 1)
I had an ant problem in the master BR of my RV. While waited for my product, I cleaned shelves, walls and floors with a 50/50 mix of vinegar and water. This was not helpful at all as the ants were not deterred by this at all. I then made a mixture of Bay leaf, peppermint, and rosemary essential oils with rubbing alcohol and water. It was STRONG in terms of the smell. I sprayed everywhere that I was seeing ants. This actually was helpful but I was still finding an ant here and there and a few of them even had the nerve to get into bed with me. Cringe. Then my STEM Spray showed up the next day. I have literally seen one ant since using this spray, and it was already half dead. I was out of the RV all day today. Upon my return, not a single ant to be found. I was pleasantly surprised. The spray pump works very well and is easy to spray into tight spaces. The scent is mild compared with the mixture I had made. It dissipates fairly quickly upon dry down. I appreciate that it’s all natural ingredients that are not harmful to pets or humans. I will definitely be keeping this product on hand at all times. I can’t recommend it enough if you have an ant problem.
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Reviewed in the United States on August 17, 2026 by Gin
Size: 12 Ounce (Pack of 1)
The spray is good. It does somewhat of the job, but it’s not really as great as I thought it would be. I mean, it helped to keep some of the fruit flies in my house gone but there’s still a lot on there. It doesn’t smell bad though, and it is safe to use with having my cat. That’s definitely a plus cause I always try to get something that is not going to harm my cat and it has a label and says it is safe to use when you have animals
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Reviewed in the United States on August 1, 2026 by Teresa Marie Zittle