For the 6 days before the liver flush -
drink 32 oz. organic Apple juice (ideally fresh and if not bottled).

Day of the Liver Flush

Have a light breakfast, avoid fats, oils which may make it harder
for the liver to clear. Nothing to eat after 1:30 PM. (May drink water).

6 pm - Add 4 Tbs. Epsom salts to 24 oz of water.  Drink 6 ounces.
(May add a little lemon juice to mask bitter flavor).

8 pm - Drink 2nd 6 ounce glass Epsom salts

9:30 - If you have not had a bowel movement until now and
have not done a colon cleanse within the past 24 hours,
take a water enema; this will trigger a series of bowel movements.

9:45 - Wash citrus fruits and squeeze juice to make 3/4 of a glass -
(combo of straight lemon, grapefruit, orange)

Add juice to 1/2 glass (4 oz) of non virgin organic olive oil into pint jar, close tightly and shake hard a minimum of 20 times.  
Drink at 10 pm if you don't need to go to bathroom.

10 PM - Stand next to bed and drink concoction without interruption - maximum 5 min.

LIE DOWN IMMEDIATELY

Turn off lights and lie flat on back with head elevated above abdomen. Lie still for minimum of 20 minutes and don't talk.  
(Optional) - You can use castor oil pack at this time on your abdomen to draw out toxins.

NEXT MORNING

6 to 6:30 am - drink third 6 oz. glass of epsom salts.  
If you feel thirsty, drink glass of warm water before hand.  
Rest, read, or meditate, or sleep.  
Beneficial to be in upright position.  
Light exercises such as yoga fine.

8 to 8:30 am  Drink fourth and last 6 oz. glass of Epson salts.

10 to 10:30 am - Drink freshly pressed fruit juice if desired.  
1/2 hour later, eat one or 2 pieces of fruit.  
One hour later eat regular (but light) food.  
By evening or next morning you should be back to normal.  
Eat light meals for next 2-3 days.

Some time after the olive oil you will go to the bathroom and start to have series of watery stools. (If you were to strain your stools and wash the liquid away you'll likely find little casings (soft and not hard) that come from being embedded in the liver.

Here are some pictures of these liver ("stones")
Picture 1
Picture 2 
Picture 3

NOTE:  Drink water whenever thirsty, except right after drinking the Epsom salts and for the 1st 2 hours after drinking the oil mixture.