You should fertilize your plants about every three months. The app will remind you when you need to add fertilizer. The starter kit provides you with fertilizer as well and additional fertilizer can be purchased from our website.
As you fill the tray, an indicator will let you know when the tray is filled. You will generally need to fill the tray every three weeks depending on the types of plants you have. The app will alert you when the tray needs to be filled.
SmartTerra is not suitable for fish. Some types of reptiles are ok, preferably, something tropical (frogs, turtles). Bear in mind that some reptiles need UV light to keep warm which is not included with SmartTerra.