Size of this Hydro system is 75x75cm. Best yields guaranteed!
Why yields are bigger when using a Wilma:
The Wilma is like a pot with a personal assistant!
The Wilma feeds the plants little and often, which provides the plants with more water and nutrients than if they were hand-watered
When watering once per day you can't give a plant all the water and nutrients it needs for optimum growth because you would waterlog the medium and starve the plant of oxygen.
In a Wilma the plants are provided with water and nutrients little and often, so they are able to take up more water and nutrient and they are never over or underfed or watered, so the Wilma produces bigger yields compared with pots.
Because of the frequent watering clay pebbles can be used which allow much more air around the roots than any other growing medium - and better access to oxygen = bigger yields.
Plants benefit from the accurate feeding of active hydroponics and you benefit from the simplicity and flexibility of growing in pots.
The ideal step up from a pot.