Do you drink mannitol cleanse with water or straight?

Mannitol cleanse is taken straight, usually 4 hours before a colonoscopy, followed by 1500 ml of water.
Mannitol cleansing is generally used to prepare for a colonoscopy and is usually taken 4 hours before the colonoscopy as a straight drink, without water, after drinking 500 ml of Mannitol followed by 1500 ml of water.
After drinking mannitol usually soon after the bowel movement, through a number of bowel movements until the discharge of the stool is watery, no fecal slag is considered to be ready for intestinal clearance before you can do a colonoscopy.
The day before the colonoscopy to do a light, low residue diet, do not eat greasy, difficult to digest, crude fiber food, so as not to cause difficulties in bowel cleansing.
It is recommended to take mannitol as prescribed by the doctor, not private medication.