A nurse is reinforcing teaching with another nurse about how to change an ostomy appliance for a client who has a sigmoid colostomy. Which of the following instructions should the nurse include in the teaching?

Use a moisturizing soap to clean the skin around the client's stoma.

Change the client's ostomy appliance 1 hr after breakfast.

Create an opening on the skin barrier that is 1.27 cm (0.5 in) larger than the client's stoma.

Empty the client's ostomy pouch before removing the skin barrier.