Bubble Etch Tanks

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. A single free standing etching tank for producing PCB's from either photo resist board or plain copper clad board. Separate illuminated switches control mains power and the pump, and a neon indicates heater operative. The switches and neon have splash proof covers.