Create or destroy water

Create or destroy water was an transmutation spell that could ether make or destroy water within 30 feet.

Effect
If the caster chose to create water she could make up to 10 gallons (37.8 liters) of water. The water could be made in a container or it could be made to fall like rain in a 30 foot cube. Choosing to destroy water the caster could destroy 10 gallons of water, or a 30 foot cube of fog.

Components
A drop of water to make water or a few sand grains to destroy water.