How much water should I put in the self-watering system? Vitesy Support July 02, 2019 10:43 Updated Follow Fill the self-watering system pausing every few seconds to allow the floater to rise and show the correct water level. When the red line is visible the tank is full. Related articles How do I know when it's time to water the plant? What type of plant works best with Natede? How can I upkeep the photocatalytic filter? Can I control the fan? What is phytoremediation? Comments 0 comments Article is closed for comments.