Add 1 1/2 cups water to the blender cup and then add in the ginger. Blend very well until ginger is completely blended.
3 cups Water
Pour over a wire mesh strainer into a bowl. Use the spoon to help strain the ginger juice into the bowl.
Repeat and keep pressing on the ginger until all that is left is fibers and the maximum ginger juice has gone through the strainer.
Add the lemon juice into the bowl of the ginger juice.
Next, add 1 1/2 cups water to the blender cup and add in the pineapple. Blend very, very well.
Pour that over the mesh wire strainer and use the spoon to help the pineapple juice get into the bowl. The blended pineapple will be foamy.
Your juice is almost done. Use the wire mesh strainer to scoop up some of the floating foam from the pineapple juice and discard if you want.
Transfer the juice to the mason jar and serve the pineapple ginger lemon juice as a drink with ice or in a shot glass.