Be VERY careful using the water blade after being in the rain. All it takes is one tiny dirt particle on your blade that you can not even see and you will have a nice scratch. I have religated my water blade to window duty only. I was lucky, my scratch was light and correctible with mutliple Z5 layers.Warzau said:I am trying to constantly kept it clean. If I drive in from rain I use a california blade to remove the water.