GREEN GROW 4000
Der »Green Grow 4000« is a photobioreactor designed for the windowsill, enabling the daily harvest of a fresh portion of spirulina algae.
Lina Walter
x
SPACE FOR FOOD
Photo Credits: Dominik Antoni Krolikowski, Lina Walter
Its analog design is reduced to the essential functions required for microalgae cultivation. Sunlight provides the energy for photosynthesis, while manually stirring the nutrient medium ensures sufficient oxygen supply, allowing the reactor to operate entirely without electronics.
At the core is a closed-loop system that integrates cultivation, harvesting, and recycling of the nutrient medium. Through a siphon effect, the medium flows from the glass container into a removable stainless steel filter with 300 mesh. Here, the algae are separated from the liquid, which is then returned to the growth vessel, enabling continuous cultivation of new spirulina.
The modular construction made of glass, stainless steel, and PETG uses simple plug connections, making the system easy to clean and repair. Its clear, minimal design places spirulina itself at the center, presenting it as a living food.
Spirulina is rich in proteins, vitamins, minerals, and chlorophyll. In its fresh form, these nutrients are especially well preserved, while its slightly nutty flavor and creamy texture, paired with its vibrant green color, create an additional sensory experience. In this way, the ‘Green Grow 4000’ makes it simple and sustainable to integrate microalgae cultivation into everyday life.