In a blender, put all the spinach and water and blend till as fine as you like.
Add the flour, alkaline water and some salt and blend for another 2 minutes
Divide into 5 portions.
Take one portion and run it through #0, then fold the dough in half and turn 90 degree, feed through at #0 again. Do this 10 times to create gluten.
Coat generously with corn starch
Feed one portion into a pasta maker and roll at 1, then 2, then 5.
Change to the noodle cutter and cut using the spaghetti size cutter.