If you want the look of a darker label, but still want to have a write in style we recommend two different marking devices. We tested for readability, wet resistance and friction (we rubbed a dry finger across the letters to see if it would smear). Both will rub off if you held a bottle for an extended period of time with sweaty palms. For that use, you'll want permanent, so use a Sharpie. But if you are marking bottles/growlers to take over to a friends and pour into a glass, this is what we found...
We tested the Bistro Chalk Marker by Uchida in white.
Pros:
Cons:
We tested the Crayola's Dry Erase Bright Crayons in orange. (The brights are meant for drawing on darker surfaces so will show better, but both will work if you choose a lighter color crayon like yellow or orange.)
Pros:
Cons: