You will need to use 3 pints of 5 chlorine bleach for every 100 gallons 378 5 l of water in your well plus an extra 3 pints to treat the water in the household plumbing.
Chlorinating a well with bleach.
The chlorine is allowed to remain in the well column for a 24 hour period then removed.
Chlorinating a well with bleach can lower your results for iron and coliform bacteria and also is an inexpensive efficient way to purify a well for a safe source of drinking water.
Which type of bleach to use the best way to shock chlorinate a well is to use a combination of dry pellets and dry chlorine granules mixed with water.
How to shock a well.
Chlorine bleach is introduced into the well and mixed thoroughly with the water in the well column.
Add laundry bleach to well water to purify water and household plumbing.
When bacteria is found in a well the first step is to try to remove it by chlorinating the well.
Avoid damaging water softener by switching to bypass mode.
Every few minutes smell the water until you smell chlorine.
4 plan on being unable to use the well water for a minimum of 24 hours.
The process of chlorinating a well takes time usually one to two days.
Sample fresh water after removing excess bleach from plumbing.