CS Making – The Setup in Pictures Posted on 16 June 2013 by cfnisbet Complete Layout. Measuring jug, filter tubing and air-stone, mini-blowtorch, cinnamon, golden syrup, mini-pump, Sodium Hydroxide. PSU +ve (red) connected to ammeter, then to Silver anode. PSU -ve connected to cathode rod. Anode = Silver = POSITIVE; Cathode = copper = NEGATIVE. Brass rod as cathode, Silver anode in croc clip. Various sizes of reaction vessel from 0.25 ltr to 7 ltr. All are cafetieres except the 7 ltr which is from a flower-arranging shop. Stirrer, water TDS meter and thermometer are not essential.