Welcome to BYC @farmer joalDo not use masking tape. Buy vet tape at the chemist and get a non adhesive pad. We went through a severe bumble foot from an adopted duck.
12 weeks antibiotics and 3 surgeries. All good now. He was a pekin. There is a substance in masking tape that causes an irritation. When it is open, wash out with chlohexadine broken down