A single free standing etching tank for producing PCB’s from either photo resist board or plain copper clad board. The tank includes a 500W heater and thermostat sensor. It also has a pump fitted which forces air through two bubble bars to provide and even etching. Separate illuminated switches control mains power and the pump, and a neon indicates heater operative. The switches and neon have splash proof covers. The temperature is set by adjusting the variable thermostat control knob (optimum for ferric chloride 40 to 50 deg C). Supplied with a syphon and 2 metre of mains lead with a sleeved 13A mains plug. Instructions supplied. Dimensions: Width 180mm,depth 525mm,height 380mm Compatible with Fine Etch Crystals (Sodium Persulphate) and Ferric Chlroide Heater: 500W Tank capacity: 5 litres Voltage: 230V