MALTHUS.
A Meal a Day. Aquaponic Home Device.

As designers, we give ideas form and transform them into things. While design cannot resolve global challenges directly, it can construct concrete narratives—forms of storytelling that make complex issues tangible and discussable.

Malthus is one of these narratives. Conceived as an in-home aquaponics unit for the next-generation kitchen or living room, the project produces one meal per day: a portion of fish and a side salad. Aquaponics combines fish farming with vegetable cultivation in a closed-loop system, where fish provide nutrients for plants and plants, in turn, purify the water. Fish and vegetation coexist in a symbiotic relationship that minimizes waste and maximizes resource efficiency.

Malthus functions as a domestic appliance that brings food production directly into the space of everyday life. The system consists of a 400-liter fish tank capable of supporting over two kilograms of fish—such as tilapia, salmon, grey fish, or carp—connected to three cultivated grow beds that filter and recirculate the water. The overall dimensions and weight are comparable to common household appliances, such as a full bathtub or two small refrigerators, making the device compatible with domestic environments.
The project is designed to optimize space, cost, and accessibility through indoor food production. All components are sourced from materials commonly available in DIY stores, positioning Malthus within the tradition of self-built systems and open-ended domestic experimentation.

Malthus #01 was first presented at the 10th edition of the NESS – Nordic Environmental Social Sciences Conference (Stockholm, June 14–16, 2011) within the exhibition Power Landscapes, curated by Po Hangström. The exhibition brought together artists and designers working on environmental and social engagement through design practices.

Displace - The project displaces food production from industrial and agricultural infrastructures into the domestic sphere, redefining the kitchen as a site of ecological and productive agency.

Expose - Malthus exposes the metabolic processes behind food production, making visible the interdependence between resources, living organisms, and everyday consumption.

Activate - The project activates users as caretakers and producers, requiring daily attention, responsibility, and engagement for the system—and the meal—to exist.