The Berg Color-Tone PH Estimating Test Paper provides a useful and rapid method for pH determination of photographic fixing and bleach fixing baths.
Key Features
The correct use of Berg Silver Saver, silver recovery formulation, requires pH adjustment of the silver-laden processing solution prior to the addition of Silver-Saver
To use Berg pH estimating test paper dip a small piece in the processing solution, and compare with the color chart
To raise the pH value, add a base, such as sodium carbonate in small increments, testing the processing solution with Ph paper at each stage
To decrease the pH value, add an acid such as 28% acetic acid, in small increments as needed
This product comes in small box with the test paper on a thin roll â similar to a tape dispenser