S.a.f.e.,llc - shipping container solutions for sustainable, intensive food, water and energy production in remote off-grid regions around the world. safe presents an advanced proprietary and patented method for indoor production of organic high quality fish and also vegetable seedlings for transplanting into the field for harvest.. In 1993, rakocy and hargreaves reviewed aquaponics research and concluded that estimates of nutrient uptake and a deeper understanding of culture water nutrient dynamics are a. The uvi commercial aquaponics system consists of three main components: fish rearing, solids removal for water treatment (clarifier, filter tanks, degassing tank) and hydroponic vegetable production troughs (rakocy et al., 2006rakocy et al., 2004a, 2006)..