A new thermostat-controlled water-bath which provides eight constant temperatures for the price of one

摘要

A water-bath-system which simultaneously provides eight different temperatures for rearing aquatic organisms is presented. Temperatures ranged from 4 to 18 °C, at 2 ± 0.3 °C intervals. It has an useful area of c. 1 m2, but can be adapted easily to any specific requirement. It is inexpensive (c. U.S.$1200), requiring only simple technical equipme