best etching solution for PCB?

[Sajjadkhan]

Previously i was etching pcbs in a plastic tray with ferric chloride. but ferric chloride is a dirty business. i now i have made my etching tank so i want an etching solution which is long lasting and easily available in chemical stores???.

i have seen green solution on Google through with you can see unlike ferric chloride which is quite good for analyzing pcb development process.

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what about this solution, he discussed the chemicals also : http://www.adwiens.com/projects/ensure/2/index.html

 

[FvM]

For the benefit of your health, I suggest not to mix your own etchant without sufficient knowledge of chemistry. And not to use hydrochloric acid/peroxide solutions without a fume hood and safety glasses. The quoted recipe is dangerous in so far as it doesn't mention the concentration of the base chemicals.