Recently, I read some stories about old Finch Avenue. I feel confused about some content. What does “bible: leave it out” and “Water and Salt method”mean?

Question

Recently, I read some stories about old Finch Avenue. I feel confused about some content. What does “bible: leave it out” and  “Water and Salt method”mean?

Answer

The bible is the collection of religious texts.

Leave it out means to ignore something.