Finish the following sentence with the best choice: Knowing how much water to add to a homemade self watering system.

Choices:
- About every week add roughly a gallon of water to a corner of the planter, as to not drown the plants.
- About every week add roughly a ounce of water to a corner of the planter, as to not drown the plants.

Answer:
About every week add roughly a gallon of water to a corner of the planter, as to not drown the plants.