Aquaponic systems have many advantages over hydroponic systems. it takes less power input (time, electrical power, nutrition, and so on) in marijuana aquaponics and it will produce larger yield compared to any other gardening method which makes it an extremely sustainable system to use.. Plants grown in hydroponics or aquaponics systems have very low pest and weed problems. this leads to very few application of herbicides or pesticides (if any) and less environmental hazards. plants grow faster: plants grown in soilless systems like hydroponics or aquaponics grow on average 30-50% faster than in traditional gardening..