Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies vs Hartz UltraGuard Plus Flea and Tick Collar

The Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies makes for a great purchase at the $7 budget. The Hartz UltraGuard Plus Flea and Tick Collar, however, is a bad choice for most people and isn't worth its asking price.

The Spruce Pets, a review site with a history of doing objective hands-on testing, has great things to say about the Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies. In fact, it's "Ranked 2 out of 5" in its "The 5 Best Flea Collars for Dogs of 2023" roundup, which points toward it being a good Flea Collar.

Moving on to the Hartz UltraGuard Plus Flea and Tick Collar: no sources that perform reliable and objective hands-on testing have included it in their Flea Collar roundups, which usually means that a product doesn't make for a good purchase.

As a last step, we wanted to do a head-to-head Hartz UltraGuard Pro Flea & Tick Collar for Dogs and Puppies vs. Hartz UltraGuard Plus Flea and Tick Collar comparison of their review performance but, unfortunately, weren't able to find any review ratings on either product.