Edwal Hypo-Check Chemical Test for Exhausted Film and Paper Fixers, 4 Oz

Tests fixer for exhaustion due to silver saturation. One or two drops will test the fixer and, if the fixers' still OK, no harm has been done to the bath. If the addition of Hypo-Check produces a cloudy condition, the bath is exhausted and the fixer should be discarded. A 3/4 oz. bottle provides 800 tests.

• MAXIMIZE IMAGE QUALITY - Ensures optimal fixer strength, preventing staining and preserving detail in your black and white prints and negatives for professional results.
• ENSURE ARCHIVAL PROPERTIES - Accurately tests fixer exhaustion, guaranteeing proper washing and preventing long-term image degradation, safeguarding your valuable work.
• EXPERIENCE EASE OF USE - Simple, one-step testing procedure provides immediate, reliable results, allowing for quick adjustments and efficient darkroom workflow management.
• MAINTAIN CHEMICAL CONSISTENCY - Regular testing with Hypo-Check helps maintain consistent fixer performance, reducing variability and ensuring predictable development outcomes.
• OPTIMIZE TONAL RANGE - Prevents over-fixing, preserving subtle tonal gradations in your prints and negatives, enhancing the overall artistic expression of your images.