Reactor for the production of freshwater or marine phytoplankton. Includes fittings, holding plate, cleaning brush and illumination unit featuring an 18 watt fluorescent tube. Requires CO2 addition, plus a separate air pump with high pressure capacity, capable of pumping a head of 90cm. Feeding of the plankton is recommended with the fertilisers floreal (order code 21011?) and ferreal (21021?). For pressure CO2 systems, see order code 71010?