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===Usage configuration=== | ===Usage configuration=== | ||
Planning to change to use CuCl2 in the bubble etch tank. Do NOT mix this with Ferric Chloride. In fact, please don't use ferric chloride at all - it silts up the tank and is really difficult to clean up. If there is some reason why we wish to use it again, it may be possible to use the 4th tank for it. | Planning to change to use CuCl2 in the bubble etch tank. '''Do NOT mix this with Ferric Chloride'''. In fact, please don't use ferric chloride at all - it silts up the tank and is really difficult to clean up. If there is some reason why we wish to use it again, it may be possible to use the 4th tank for it. | ||
===Planned changes=== | ===Planned changes=== | ||