Using Fi Nano as a Rescue/Vet/Breeder March 25, 2021 22:52 Updated Follow This section is for owners whose pet is implanted with a Fi Nano microchip. If you are a rescue, vet, or breeder, please visit the Fi Nano section under Fi Partners, linked here. Related articles Logging In, Accessing Your Chips, and Completing Owner Registration How Much Does It Cost To Use a Fi Nano? Registering a Chip Before the Pet Has an Owner Does my dog need a Fi Nano if they have already been microchipped? How do I inject a Fi Nano?