Trying out intensification myself in this video

Intensification is the process to increase contrast or density of a film or print through the use of chemicals. In this video I explored how can I mix my own chromium using a floor cleaner as a source of diluted hydrochloric acid. I also tried to intensify both photo paper and prints.
Watch to the end to see the results!




or a digital converted photo of the original negative vs the intensified negative
Click image for larger version. 

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