I've used Triple antibiotic and neosporin ointments without any issues. Problems happen when the vet wrap or other material gets wet from nasty puddles in the pen. The germ laden water passes through the material into the wound, reinfecting it. No telling what bacteria it might be.
That's why I...
I know you've used Tricide Neo. However, have you followed the instructions to the letter on how to use it to treat bumblefoot? It works if done properly. See post #2 in this link for proper instructions on how to use Tricide Neo...