If you mix more quantity of water in a glass of juice what happens, the sweetness would reduce.
Same is with VK charged water, to some extent you can dilute , but if you dilute too much than you need to charge again.
You need a pinch of salt for a meal of two. But you would need few grams of salt to prepare meal for more people.
VK charging or rotations is like salt……
Refilling water and charging with VK is so simple !!!