Hartz UltraGuard Dual Action Flea and Tick Topical for Dogs, Large, 31-60lbs, 3 Doses
4.3Best price now
$6.52at Chewy.comObserved at 5:34 AM
Compared across 2 stores. Prices are checked against each store and labelled with when.
Compared across 2 stores. Prices are checked against each store and labelled with when.
Hartz UltraGuard Dual Action is a monthly spot-on flea and tick treatment for large dogs weighing 31 to 60 pounds and at least 12 weeks old. Each tube is applied between the shoulder blades and is claimed to kill fleas, flea eggs, brown dog ticks and deer ticks for 30 days, with three tubes per pack. The best new price is $6.52 at Chewy.com as of November 4, 2026, a low price for a three-month supply of a budget drugstore brand.
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Lowest price we've seen: $6.52 on Nov 4 at Walmart. Tracked across 2 stores since Nov 4.
With 4.3 out of 5 from 4,517 ratings, most owners find it works for routine flea control at a low price. A minority report fleas persisting or skin irritation at the application site.
Say goodbye to fleas and ticks with Hartz Dual Action Flea & Tick Topical for Dogs and Puppies. Each easy to apply, a single one-month dose tube kills fleas, flea eggs, brown dog, and deer ticks for 30 days. Each monthly treatment prevents re-infestation stopping the flea life cycle. The topical formula stays on and does not rub off. For the use of small dogs and puppies that weigh 31-60 pounds and are 12 weeks or older. Each package contains a three-month supply. Do not apply more than one tube per treatment.
