Ewesly / Holographic Formulae / JD-4 Kit

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Bleach solution

35 g Copper Sulfate
5 g Sodium Bisulfate
100 g Potassium Bromide
One litre water

Processing

Bleaching time: One and a half times the time it takes to clear.

Temperature:  20C            Agitation:  Intermittent

More or less the same as the original Jeff Blyth's original Copper Sulfate Bleach, again subbing a dry powder to save on hazardous shipping charges of liquid acetic acid.

Shelf life: Pleasant blue-green color when mixed, dirty green when exhausted. Not prone to oxidation like PBQ.

Source: <a href="04-3040.pdf" title="JARB" target="_new">Photographers' Formulary JD-4 (JARB) Holography Processing Kit Instructions</a>

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