The RADIUS two-pack contains 4-ounce bottles of dental water additive marketed for dogs and cats. It offers a different bottle size from the Arm & Hammer option; the amount used per refill matters more than comparing bottle volume alone.
Before you choose
Check cat-specific directions on the bottle and do not transfer a dilution from another brand. Probiotic wording is not a guarantee that this will address a particular dental problem. Follow storage instructions and monitor acceptance of the treated drinking water.
Listing details reviewed on September 27, 2026 against the supplier listing. Meowkai's buying notes explain practical differences and information gaps; they are not a hands-on test or a veterinary recommendation. How we select and describe products.
Questions about this product
How much liquid is supplied in the RADIUS two-pack?
The listing identifies two four-ounce bottles. That is eight ounces across the pack, not one eight-ounce bottle.
Are the available mixing instructions consistent?
No. One field says one drop while another gives one milliliter as five drops. Those conflicting directions are not a reliable mixing guide; obtain the current bottle instructions before using the additive.
Is the RADIUS additive flavored?
The description identifies a vanilla flavor. It should not be assumed to be a flavorless water additive.
Does the pack include a toothbrush?
The offer describes two bottles of additive, not a brush kit. A toothbrush would need to be explicitly included in the package contents to count as part of this purchase.
