If you have an automatic system (like hydroponics), you can leave your feature on for as long as you like without worrying about turning it off. However, if it is made of glass or metal, you will need to turn it off at regular intervals and wipe the surface clean of any water droplets to maintain its attractive appearance. This is because even a single water droplet has the potential to leave behind a permanent water stain or rust on these surfaces. You may need to turn off any running water features before winter arrives. Relaxing, Tranquil, and Complete with Water Features