Reddit reviews Caig Labs CL-ETCH-16 Ferric Chloride PCB Etchant Solution 16oz Bottle

Simple Boards - If all you need is a rough board for a limited application, it will certainly cost less.Total Control- Do you want to make a circuit board out of unusual or extraordinary materials? Either your own creativity or the demands of an application.Rapid Prototyping - It takes less than an hour to print a PCB yourself, so if you're going through a lot of designs, why wait a week or two for every new prototype?Avoid the nonsense and make it yourselfDo it yourself and the limitations disappear