Write the next sentence in the following story.

How to maintain indoor fountains
Keep your fountain pump submerged in water at all times.
This will help circulate the water in your fountain and keep it filtered, in addition to minimizing the growth of algae. Your fountain pump may also become dry and burn out if it is not submerged in water consistently.
Examine the water level around your fountain pump on a daily basis. This will allow you to become familiar with how often you need to add water to the fountain.