One of the simplest systems with excellent results. Usually problem-free.
The drip irrigation can be used with clay pebbles, coco, mapito, cellmax cubes or soil.
The Wilma Big 4 pot is approx 79cm x 68cm and comes with massive 18L pots.
The Wilma big 8 pot is approx 165cm x 74cm and comes with massive 18L pots
The Wilma Big 9 pot is the same size as the 16 and 20 pots approx 122cm x 109cm. It uses massive 18L pots.