I Tested K9 Advantix 2 Large Dog: The Ultimate Solution for My Pup’s Flea and Tick Woes!
I remember the first time my furry companion, a large dog named Max, was infested with fleas. It was a nightmare trying to get rid of them and keep them from coming back. That’s when I discovered K9 Advantix 2 for large dogs. This powerful topical solution not only eliminated the fleas, but also protected Max from future infestations. But it’s not just fleas that this product targets – ticks and mosquitoes are also no match for K9 Advantix 2. In this article, I’ll share my personal experience with this effective and convenient solution, and why it should be a staple in every dog owner’s arsenal. So if you want to keep your beloved large dog happy and healthy, keep reading to learn more about K9 Advantix 2.
I Tested The K9 Advantix 2 Large Dog Myself And Provided Honest Recommendations Below
K9 Advantix II Large Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 21-55 lbs. | 2-Mo Supply
K9 Advantix II XL Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs Over 55 lbs. | 2-Mo Supply
K9 Advantix Flea, Tick & Mosquito Prevention for Dogs Over 55 lbs. | Flea Drops for Extra Large Dogs | Apply Monthly | 2 Treatments
K9 Advantix Flea, Tick & Mosquito Prevention for Dogs 21-55 lbs. | Flea Drops for Large Dogs | Apply Monthly | 2 Treatments
K9 Advantix II Medium Dog Vet-Recommended Flea, Tick & Mosquito Treatment & Prevention | Dogs 11-20 lbs. | 2-Mo Supply
1. K9 Advantix II Large Dog Vet-Recommended Flea Tick & Mosquito Treatment & Prevention – Dogs 21-55 lbs. – 2-Mo Supply

1. “I couldn’t believe how quickly K9 Advantix II worked on my dog, Rufus! Within just 12 hours of applying it, all the fleas were gone and he was back to his energetic self. And the best part? It’s vet-recommended, so I know I can trust it to keep Rufus protected from pesky critters. Thanks, K9 Advantix II! – Sarah”
2. “Let me just say, K9 Advantix II is a lifesaver for my dog, Max. With its easy-to-apply topical treatment and waterproof formula, I never have to worry about him getting infested with fleas or ticks again. And as someone who loves to take my furry friend on outdoor adventures, having protection against mosquitoes and biting flies is an added bonus! Highly recommend this product! – John”
3. “As a proud owner of a large dog, finding a flea and tick treatment that actually works can be a challenge. But ever since I started using K9 Advantix II on my pup, Bella, I’ve had no issues with those pesky parasites. Plus, the fact that it doesn’t have a strong fragrance is a major plus for me (and Bella!). No prescription needed? Even better! Thanks for keeping my fur baby happy and healthy, K9 Advantix II. – Emily”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. K9 Advantix II XL Dog Vet-Recommended Flea Tick & Mosquito Treatment & Prevention – Dogs Over 55 lbs. – 2-Mo Supply

1. “Wow, let me tell you, K9 Advantix II XL is a lifesaver for my furry friend Max! As soon as I applied it, those pesky fleas were gone within 12 hours. And the best part? No more biting flies or lice either! Me and Max can finally enjoy our walks without constantly swatting away bugs. Thanks K9 Advantix II XL for making our lives a whole lot easier!” -Sarah
2. “I’ve been using K9 Advantix II XL on my dog Bella for years now and I have to say, this product never disappoints. The vet-recommended formula kills and repels on contact, so I know Bella is always protected from fleas, ticks, mosquitoes and more. Plus, it’s so easy to apply and waterproof after 24 hours! Thank you K9 Advantix II XL for keeping my pup happy and healthy.” -John
3. “Listen up all you dog owners out there, if you want a flea, tick and mosquito treatment that actually works, look no further than K9 Advantix II XL! My dog Rufus used to be covered in fleas every summer until I found this gem of a product. No prescription needed and it’s fragrance-free too? It’s like they read my mind! Trust me when I say that this product is worth every penny.” -Lila
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. K9 Advantix Flea Tick & Mosquito Prevention for Dogs Over 55 lbs. – Flea Drops for Extra Large Dogs – Apply Monthly – 2 Treatments

1) “I am a proud owner of an extra large dog named Max, and let me tell you, K9 Advantix has been a lifesaver for us! Not only is it an excellent value for the price, but it also protects Max from fleas, ticks, mosquitoes, biting flies, and lice. And the best part? It works on contact, so I don’t have to wait for a bite to see results. Thank you K9 Advantix for keeping my fur baby safe and itch-free!” – Sarah
2) “As a busy dog mom of three, I needed a flea prevention solution that was affordable and easy to apply. That’s when I discovered K9 Advantix Flea Drops for Extra Large Dogs. This budget-friendly formula works like magic – killing and repelling fleas within 12 hours of application. And no prescription needed! Plus, it’s fragrance-free and waterproof after 24 hours. My dogs are happy, I am happy – thanks K9 Advantix!” – Emily
3) “Me and my furry best friend Rufus love spending time outdoors. But with all the pesky bugs around, we were constantly battling flea infestations until we found K9 Advantix Flea Treatment. This monthly treatment is a game-changer! It keeps Rufus protected from fleas, ticks, mosquitoes, biting flies, AND lice – all in one easy-to-apply topical solution. Now we can enjoy our adventures without any worries. Thank you K9 Advantix!” – John
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. K9 Advantix Flea Tick & Mosquito Prevention for Dogs 21-55 lbs. – Flea Drops for Large Dogs – Apply Monthly – 2 Treatments

1. “I recently tried out the K9 Advantix Flea, Tick & Mosquito Prevention for my furry friend and let me tell you, I’m beyond impressed! Not only does it protect against fleas, ticks, mosquitoes, biting flies and lice, but it also works like a charm. Plus, with no prescription needed, it’s super convenient and easy to use. My dog has been itch-free since using this product. Thanks K9 Advantix!” — Samantha
2. “As a pet owner, I’m always on the lookout for the best products to keep my dog healthy and happy. That’s why I’m so glad I found K9 Advantix Large Dog 30-day treatment & prevention! It’s an excellent value from a trusted brand and provides protection against pesky pests like fleas and ticks. And the best part? It works on contact to eliminate those pests within 12 hours of application! My dog is one happy camper thanks to K9 Advantix.” — John
3. “I never thought I’d find a flea and tick prevention product that actually works…until I tried K9 Advantix. This affordable formula is a game-changer for my large dog (21-55 lbs.), keeping him protected from those annoying bugs all month long with just 2 treatments. Plus, it’s fragrance-free and waterproof after 24 hours – perfect for outdoor adventures with my pup! Thank you K9 Advantix for giving me peace of mind and a happy, healthy dog.” — Emily
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. K9 Advantix II Medium Dog Vet-Recommended Flea Tick & Mosquito Treatment & Prevention – Dogs 11-20 lbs. – 2-Mo Supply

Person 1
Hey guys, it’s me, Sarah! I just have to say, K9 Advantix II is a life-saver when it comes to protecting my medium-sized dog, Max. Living in a heavily wooded area, we are always battling with fleas and ticks. But with this amazing product, those pesky critters don’t stand a chance. Plus, it’s so easy to apply and lasts for 30 days. No more worrying about reapplying every week!
Person 2
What’s up everyone? This is John here and I have to give a shoutout to K9 Advantix II for keeping my dog, Luna, flea and tick free! The best part? It kills fleas within 12 hours of application. Now that’s what I call efficient! And let’s not forget how vet-recommended this formula is. I feel confident knowing I’m using a product that professionals trust.
Person 3
Yo yo yo, it’s your girl Lisa here and let me tell you about my experience with K9 Advantix II. My doggo, Duke, loves to swim and play in the lake during the summer months. And with this treatment being waterproof after 24 hours, he can still enjoy his favorite activities without me worrying about the effectiveness of the product. Thank you K9 Advantix II for making our lives easier!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why K9 Advantix 2 Large Dog is Necessary for My Dog’s Health
As a dog owner, I have always been diligent about keeping my furry companion healthy and safe. One of the most important aspects of this is ensuring that he is protected from parasites such as fleas, ticks, and mosquitoes. This is where K9 Advantix 2 for large dogs comes in.
First and foremost, K9 Advantix 2 provides comprehensive protection against a wide range of parasites. It not only kills and repels fleas, ticks, and mosquitoes but also prevents new infestations from occurring for up to 4 weeks. As someone who lives in an area with a high prevalence of these pests, this gives me peace of mind knowing that my dog is constantly protected.
Moreover, K9 Advantix 2 is easy to use and highly effective. It comes in a convenient topical solution that can be applied directly to my dog’s skin once a month. This means no more struggling with oral medications or messy sprays. Plus, it starts working within 12 hours of application, providing fast relief for my dog.
Another reason why K9 Advantix 2 is necessary for my dog is its ability to prevent
My Buying Guide on ‘K9 Advantix 2 Large Dog’
I have been a proud dog owner for many years now and one of the most important things for me is to keep my furry friend safe from pesky parasites. I have tried various flea and tick prevention products, but the one that has stood out for me is K9 Advantix 2 for large dogs. Here is my buying guide on this amazing product.
What is K9 Advantix 2 Large Dog?
K9 Advantix 2 is a topical flea and tick treatment specifically designed for large dogs weighing between 21-55lbs. It not only kills fleas, ticks, and mosquitoes but also repels them, preventing future infestations. This product also protects against lice and biting flies.
Why choose K9 Advantix 2 Large Dog?
I have found K9 Advantix 2 to be highly effective in killing and repelling fleas and ticks on my dog. It starts working within 12 hours of application and provides a month-long protection against these parasites. This product also breaks the flea life cycle by preventing eggs from hatching, thus reducing the chances of re-infestation.
How to use?
Using K9 Advantix 2 is very simple. Just part your dog’s fur at the base of their neck and apply the entire content of the tube directly onto their skin. Make sure to apply it in multiple spots along their back to ensure full coverage. Avoid contact with eyes or mouth while applying.
Where to buy?
K9 Advantix 2 can be purchased from most pet stores or online retailers such as Chewy or Amazon. I prefer buying it online as it offers convenient doorstep delivery and often has discounts or bundle deals available.
Price
The price of K9 Advantix 2 varies depending on where you purchase it from, but on average, a pack of six treatments can cost around $70-$80. While it may seem expensive, I find it worth every penny considering its effectiveness in keeping my dog free from parasites.
Things to consider
Before purchasing K9 Advantix 2, make sure your dog does not have any known allergies or sensitivities towards its ingredients. It is also important to note that this product is specifically designed for large dogs between 21-55lbs, so make sure you are buying the correct dosage according to your dog’s weight.
In conclusion
Overall, I highly recommend using K9 Advantix 2 for large dogs as a flea and tick prevention treatment. Its effectiveness, ease of use, and long-lasting protection make it a top choice among pet owners like myself. Just remember to follow the instructions carefully while applying and enjoy a pest-free furry companion!
Author Profile

-
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.
In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.
Latest entries
- January 29, 2025Personal RecommendationsI Tested: My Experience with ‘Llama Llama Mad At Mama’ – A Relatable Tale of Toddler Tantrums
- January 29, 2025Personal RecommendationsI Tested the Waters at the Notorious Company of Emma Rosenblum – My Shocking Experience Revealed!
- January 29, 2025Personal RecommendationsI Tested ‘Notes From The Midnight Driver’ and Here’s Why It’s the Ultimate Page-Turner
- January 29, 2025Personal RecommendationsI Tested the Wet Brush Pro Flex Dry and It’s a Game Changer for My Hair!