On Sep 30, 6:01 pm, "Sudy Nim" wrote:
My well is 44 years old, 100 feet deep and 5-inch diameter, with a submersible
pump. What is the recommended chlorinating procedure for the novice? TIA

http://www.joinermicrolab.com/JML_Disinfection.pdf

The recommended chlorine amount is for 200-400 feet depth. Reduce as
appropriate.

That assumes your well has a removable cap. If your well head is in a
pit and you have to disconnect and lift 80' of galvanized pipe, it's
going to be more difficult.