How much water do you drink?

Ignoring the whole ‘just drink water’ thing.

How much water do you have to drink a day to avoid migraine? I have to be constantly sipping water and have almost clear urine otherwise a migraine starts.

It’s so inconvenient and sometimes a bit embarrassing especially as ultrasounds show I have a very tiny bladder! Sometimes I can’t go to places because I won’t be able to go to the toilet and therefore won’t be able to hydrate as much as I need.

Has anyone found a hack for raising tolerance here? I do add electrolytes here and there but it doesn’t seem to help.

Thank you