'Tis the Season for Rhubarb

Okay, so I'm not a super rhubarb fan even though we have three huge rhubarb plants in our garden. My hubby is the rhubarb crisp connoisseur. I'm okay with it if it has enough strawberries in it, forget the rhubarb!
I decided today that I really need to make more use of the rhubarb that we have, since it is so packed full of Vitamin C,  and I remember my mom making slush that was divine. I searched my recipe books and Pinterest for recipes, found one I though was good but added my own little touch (again, nothing completely rhubarb). This is what I came up with (I ended making 72 cups of slush mix so I've reduced that recipe to a more manageable size):