Blumat systems work without computers and without electrical controls! * Blumat watering systems provide rich blooms on the balcony, healthy plants in the garden and beautiful houseplants. * The secret lies in perfectly dosed, regularwatering that is adapted to the plants. * In fact, the statistical average amount of water poured through a watering can during the summer months is 100 liters per balcony planter, 200 liters with hanging plants such as surfinia, 350 liters with tomatoes and almost 1000 liters with house plants such as datura. * The plants only take as much water as they need. * You can go on vacation and leave the watering of your plants to the Blumat systems