Distilled water is very drinkable for a long time. You just need to make sure you get the minerals from other sources which are readily available in deserts. Fo

Distilled water is very drinkable for a long time. You just need to make sure you get the minerals from other sources which are readily available in deserts. For instance in Kuwait that relies 100% on desalination plants for its water supply, they mix in 10% sea/brackish water to replenish the minerals.