Biolan Self-watering box is an accessory for Biolan's grow bags (Biolan Growbag). The watering box acts as a water storage, and the water is absorbed capillarily into the substrate as required by the plant.
Self-watering box measures: 58 x 38 x 20 cm
The water in Self-watering box is enough for a mature tomato plants for at least a week and for smaller plants even longer. Water storage in Self-watering box allows longer watering intervals for exaple in summer cottages or during holidays.
Also, when wet, excess water drains into the box. Self-watering box facilitates vegetable growing on the balcony and on the terrace.