Concentrated chlorine solutions for shock chlorination can be dangerous. Fill a clean bucket with 3 gallons water to shock a drilled well.
Pour two gallons of regular unscented clorox bleach down into the well head.
How to shock a well with clorox.
Turn off the circuit breaker feeding the pump.
If you have a cartridge filter be sure to have a spare cartridge because the filter may clog quickly.
If possible coat the inner walls of the well with chlorine as you pour it in.
Bypass the water softener other filters or purification equipment.
Go to the farthest faucet from the well and turn on both hot and cold water all the way until you either smell chlorine or you can test for chlorine using a swimming pool chlorine test kit.
Quantity of chlorine or household bleach needed to shock a well.
Let the chlorine sit in the well for an hour.
For some wells particularly for wells completed with pitless adapters or.
Open each faucet and let the water run until a strong chlorine odor is detected then turn it off and go to the next one.
If you have a bedded filter.
Carefully pour bleach into well.
Let the chlorine sit in the well for an hour.
This will disinfect a well that measures 4 inches in diameter and is 100 feet deep or less.
Remove the small well inspection plug on top of the well.
Well depth in feet 6 inch diameter well casing volume of standard household bleach needed.
Mix 2 quarts bleach in 10 gallons of water.
Well depth 300 9 cups clorox or 6 oz.
Because of the volatile and corrosive nature of the concentrated chlorine solution it is important to wear appropriate clothing including goggles a protective apron and rubber gloves and boots.
Open the vent or remove the test hole plug.
Connect a garden hose to a nearby faucet and wash down the inside of the well.
Clean the well house spring house or storage tank or reservoir.
Dont forget outdoor faucets and hydrants.
Well depth 200 6 cups clorox or 4 oz.
Carefully pour 12 gallon of household bleach into the water.
If the well is deeper increase the amount of bleach according to the proportions of the solution.
The vent pipe should be located on the wellhead its usually about 6 inches 152 cm in length and 12 an inch in diameter.
Should you decide to shock chlorinate your well yourself take the following precautionary measures.
Depending on the type of well you may need to open the vent pipe in order to pour in the chlorine.
Step by step well chlorination process.
Well depth 100 3 cups clorox or 2 oz.
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