Biolan Self-watering box
Biolan Self-watering box Biolan Self-watering box Biolan Self-watering box
Biolan Self-watering box

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.