MI-CO2 currently services over 175+ grows from across the spectrum in Michigan; from huge sophisticated 100,000 foot warehouse sized facilities to garage size indoor cultivation. As the top grow room CO2 supplier in Detroit, our experience helps bring a crop to production faster and more efficiently than you thought possible.

Leonard's Syrups in Detroit provides CO2 regulator installation and tank delivery for indoor grows and greenhouses from the following bases; Southeast Michigan (Detroit HQ), West Michigan (Grand Rapids), and Central Michigan (Saginaw/Tri-Cities); and through our alliance with UNITED CO2, (a nationwide consortium of Independent CO2 Companies) we can serve you anywhere in the United States.

MI-CO2 provides CO2 System Design, Installation, Piping, Alarm Monitor Systems, CO2 Delivery, Grow Controls and more. Whether great needs (3 ton to 80 ton CO2 VLC receivers), medium needs (300 lb to 750 lb bulk CO2 tanks) or small needs (20 lb or 50 lb cylinders), our Detroit grow room CO2 tank and regulator installation experts can help achieve your goals of consistently higher yields at the best possible price.

MI-CO2 is a safety first company and we offer CO2 alarms/monitoring solutions to make certain everyone is working in a safe environment.

MI-CO2 and Leonard’s believes in the art of growing, and we know that there are no cookie cutter answers. We treat each grow with the true respect it deserves; and provide individual solutions to each grower and grow opportunity. With over 50 years of service as a top Detroit CO2 supplier, Leonard's has installed CO2 tanks, regulators, controls, and alarms in a widely variety of applications in indoor grow rooms and greenhouses – from computerized state-of-the-art CO2/O2 handlers to simple tenting, from in-ground pipe, to misting; to HVAC sparges and more—all depending on YOUR particular growing style and preferences