Monitoring devices, control systems, and sensors for aquaculture, hydroponics, horticulture, and agriculture; oxygen control systems, monitors and sensors; carbon dioxide control systems, monitors and sensors; temperature control systems, monitors and sensors; airflow control systems, monitors and sensors; ammonia control systems, monitors and sensors; humidity control systems, monitors and sensors; non-metal portable buildings; non-metal prefabricated buildings; non-metal modular buildings; fresh fish; fresh mushrooms; sprouts; plant seeds; mushroom spores; fresh fruits; fresh fruits; fresh vegetables; fresh grains; fresh beans; fresh tubors; plant food; fish food; raw foods; business consulting in the agricultural, horticultural, aquacultural, and hydroponics fields; retail and online store services featuring plant food, fish food, monitors, sensors, control equipment, non-metal buildings and components thereof, animals, plants, fungi, plant seeds, mushroom spores, fish tanks, hydroponic tanks, planters, and soil; construction services, system installation, maintenance and repair; testing, analysis, calibration services, and computer hardware and software repair and installation services; leasing and rental of agricultural, horticultural, aquacultural, and hydroponics equipment and machinery