Wash pears very well under running water. Pat dry. If not using organic then peel the skin and cut them to quarters and remove the core.
To keep the skin - Organic pears can be used with skin on. You can scrub them well with some vinegar and salt. Leaves for 5 mins. Rinse well under running water.
Add the deseeded and quartered pears to a blender. Pour 2 cups chilled water. You may add ginger, lemon juice and sweetener if you want
Blend until smooth. You can optionally strain to remove the ginger fibers. If it is too thick you may add more water.
Pour pear juice to serving glasses and consume immediately, You can optionally add ice cubes if you prefer.
Turn on the slow juicer and add pears, ginger or any other fruits you wish to the juicer chute.
Serve pear juice fresh immediately.