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$21.50
Availability: 4
Cosmetics
NEW
Warranty
Manufacturer's warranty as detailed in the manual
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Edwal Hypo Check is an important darkroom chemical for testing fixer for exhaustion. A drop of Hypo Check in a working silver bath will instantly indicate whether the fixer is saturated with silver and no longer as effective, thereby helping insure the archival nature of your film and paper processing.
This is a one ounce bottle of concentrate and is enough to last a good long while.