This is a post from one of our users Igor Grossman in Melbourne about his aquaponics systems. Although a different technology the basic aims of high nutrients and active biology are similar to Gbiota beds
Colin Austin is an Australian engineer, inventor and lifelong food grower best known for pioneering wicking beds and practical water-saving systems. After founding and building the global engineering software company Moldflow, he turned his attention to soil biology, water management and nutrient-dense food to help people grow healthier produce.