The Pioreactor 20ml is a bioreactor designed for researchers, students, bio-enthusiasts, and professionals. Build it, learn with it, and extend it to do things you've never done with a bioreactor before. Learn about how it works and its many features. The Pioreactor comes in a kit that takes about 30 minutes to assemble. Includes: Pioreactor HAT for your Raspberry Pi Heating and temperature circuit board (ambient → ambient + 25°C) Stirring assembly and 3x10mm PTFE stir bar Our custom Eye-Spy optics system for optical density measurements 20ml glass vial, custom vial cap with stainless steel tubes and female luer locks All necessary assembly screws, nuts, and standoffs Pioreactor is committed to free long-term software updates, documentation, and customer support. These resources help you assemble your Pioreactor and keep your system running reliably. Raspberry Pi compatibility & power Raspberry Pi models: purchase one with your kit above, or see the list of supported Raspberry Pi models. Power supply unit: We recommend a reliable 5V power supply for your Raspberry Pi / Pioreactor. We sell a high-quality 27W PSU. See: What PSU do I need? and Powering your cluster. microSD cards: Included when you buy a Pi from us. Otherwise use a high-quality UHS-I / Class 10 card, 16–32GB. Designed & made in Canada