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4-Pk K9 Advantix II Dog (21 - 55 lbs) Flea, Tick & Mosquito Treatment & Prevention Expired

$30.85
$64.78
w/ Subscribe & Save
+27 Deal Score
11,680 Views
Various Retailers have 4-Pack (4-Month Supply) K9 Advantix II Large Dog (21 - 55 lbs) Flea, Tick & Mosquito Treatment & Prevention on sale listed below. Shipping terms vary by merchant.

Thanks to Community Member aaronsupra for posting this deal.

Available from:
  • Amazon $30.87 when you check out w/ Subscribe & Save + free shipping w/ Prime or on $35+ orders.
    • Note: You may cancel your Subscribe & Save subscription any time after your order ships.
  • Chewy $30.87 when you check out w/ Autoship + free shipping on $49+ orders.
    • Note: You may cancel Autoship any time after your order ships.
  • Walmart $32.49 + free shipping w/ Walmart+ (free 30-day trial) or on orders of $35+.

Editor's Notes & Price Research

Written by
  • Our research indicates that this deal is $25.12 less (45% savings) than the next best available price from a reputable merchant with prices starting from $55.99 at the time of this posting. -StrawMan86
  • 4.5 out of 5 stars rating at Amazon based on 39,500+ customer reviews
  • Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.
  • If you're not a student, there's also a free 1-Month Amazon Prime trial available.
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Original Post

Written by
Edited March 15, 2024 at 02:33 PM by
EDIT
Amazon is now the same price and cheaper with S&S.
Amazon - $32.49
S&S - $30.87
https://www.amazon.com/dp/B004QMX4YW?th=1&psc=1





OLD
Cheaper than Amazon. Chewy is having the same sale.

Walmart - $32.49
https://www.walmart.com/ip/0XBI1ZAX6REJ

Chewy - $32.49
https://www.chewy.com/k9-advantix.../dp/102306

Amazon - $45.98
S&S - $43.68
https://www.amazon.com/dp/B004QMX4YW
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I went with the extra large dog 6 month supply, best bang for buck. I'll be using a measuring syringe and using this for our small dogs.
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Joined Oct 2007
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> bubble2 16 Posts
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slibocker
03-15-2024 at 02:51 PM.
03-15-2024 at 02:51 PM.
Other sizes are available too for the same price if you got to the K9 Adavantix page: https://www.amazon.com/stores/K9A...f_=ast_bln choose the size then choose 4 pack
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thugmoney
03-15-2024 at 03:07 PM.

Our community has rated this post as helpful. If you agree, why not thank thugmoney

03-15-2024 at 03:07 PM.
I went with the extra large dog 6 month supply, best bang for buck. I'll be using a measuring syringe and using this for our small dogs.
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sunrx
03-15-2024 at 06:28 PM.
03-15-2024 at 06:28 PM.
Thanks Op, good deal. I found that the X-large dog, 6-month supply was only $52 at Walmart, compared to $64 on the Advantix page on Amazon. Bought two boxes from Walmart for our dogs.
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Let's Go Zelenskyy
> bubble2 3,214 Posts
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nolenski
03-15-2024 at 06:49 PM.
03-15-2024 at 06:49 PM.
Quote from thugmoney :
I went with the extra large dog 6 month supply, best bang for buck. I'll be using a measuring syringe and using this for our small dogs.
Best per unit price is the 4 pack. Four pack of XL is $30.87 with s&s @ Amazon. I use the syringe as well for my 50# dogs @2ml per. I get 2 applications per 4 ml vial.
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Last edited by nolenski March 17, 2024 at 06:17 AM.
Joined Dec 2006
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> bubble2 881 Posts
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hiwass
03-15-2024 at 09:12 PM.
03-15-2024 at 09:12 PM.
It's the same strength regardless of which option I choose. There are just more medicine in the XXL option? For a 23lb dog, do I split the XL (55lbs o4 above) tube into 2 applications or 3?
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daxund
03-16-2024 at 03:49 AM.
03-16-2024 at 03:49 AM.
Quote from thugmoney :
I went with the extra large dog 6 month supply, best bang for buck. I'll be using a measuring syringe and using this for our small dogs.
What is the dosage for small dogs? Do you store the remaining medicine in the fridge?
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Joined Nov 2013
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beervomit
03-16-2024 at 05:41 AM.
03-16-2024 at 05:41 AM.
any heartworm deals kicking around?
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Joined Dec 2014
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thugmoney
03-16-2024 at 08:57 AM.
03-16-2024 at 08:57 AM.
Quote from nolenski :
Best per unit price is the 4 pack. Four pack of XL is $30.87 with s&s @ Amazon. I use the syringe as well.
My bad. I should have mentioned it was through Walmart. The best deal I think was the 6 month supply for xl dogs through walmart.

Sorry again. I am still wrong. Subscribe and save xl 4 pack is best deal. Thanks
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Last edited by thugmoney March 16, 2024 at 09:06 AM.
Joined Dec 2014
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thugmoney
03-16-2024 at 08:59 AM.
03-16-2024 at 08:59 AM.
Quote from daxund :
What is the dosage for small dogs? Do you store the remaining medicine in the fridge?
I just store the extra in a little vial jar in the cabinet.

K9 Advantix II
Dosage by Weight
Dog WeightMonthly Dose
4 to 10 lbs0.4 mL (0.014 fl oz)
11 to 20 lbs1.0 mL (0.034 fl oz)
21 to 55 lbs2.5 mL (0.084 fl oz)
over 55 lbs4.0 mL (0.135 fl oz)
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ƐƐoloʌɐᴉp
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diavolo33
03-16-2024 at 09:23 AM.
03-16-2024 at 09:23 AM.
Amazon Basics is $29.32 S&S. Is this brand better?
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Let's Go Zelenskyy
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nolenski
03-17-2024 at 06:12 AM.
03-17-2024 at 06:12 AM.
Quote from diavolo33 :
Amazon Basics is $29.32 S&S. Is this brand better?

$.39 per month more for the brand name. Go for the real thing.
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muzikmaan9
03-17-2024 at 08:06 AM.
03-17-2024 at 08:06 AM.
For what it's worth, my dog once had an issue with this flea/tick prevention resulting in a pretty scary seizure. It was applied correctly as we had used it for a years on two different dogs. I've read about other occurrences like this as well. It seems to work fine, but only took one incident to say nope no more. Switched to collars 10 years ago and never looked back.
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RelaxedWing3098
03-17-2024 at 04:11 PM.
03-17-2024 at 04:11 PM.
Quote from thugmoney :
I just store the extra in a little vial jar in the cabinet.

K9 Advantix II
Dosage by Weight
Dog WeightMonthly Dose
4 to 10 lbs0.4 mL (0.014 fl oz)
11 to 20 lbs1.0 mL (0.034 fl oz)
21 to 55 lbs2.5 mL (0.084 fl oz)
over 55 lbs4.0 mL (0.135 fl oz)

I have 2 vials of the 11 to 20 lbs left. My puppy has grown to 28lbs. Should I do 2 vials of the 11 to 20lbs on her? I was afraid of some kind of toxicity if I used 2 vials from the lower weight range for her monthly dose.
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