Most wells (deep or shallow) take 1 gallon of bleach, pour directly into well. Full
gallon use 5.25% chlorine or use smaller bottle with 8.25% chlorine (extra strength).
Or use 1 cup powdered chlorine for new well, ½ cup existing well.
Hook up garden hose and run into well for 20 minutes. This does not use water but
Hose inside walls of well and inside cover, close.
Run cold water in kitchen until you smell chlorine (1-3 minutes) then shut off. Run
sink, tub, flush all toilets, outside spigots, washer hookup.
Let chlorine stand in system for 4 hours or overnight.