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Quick Test - Free SO2 10 test kit


SKU# 40198

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Test kit for sulfur dioxide levels in must and wine, includes eight low-level and two high-level tests.


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Product Details

The sulfur dioxide present in must and wine is not all useful as a preservative. Some is bound to other chemical components, reducing its effectiveness as a preservative by 30 - 70%. Also, the degree of binding can change over time, affecting the ability of an adequate dose to continue providing its preservative properties. The effectiveness of sulfur dioxide as a preservative is also pH-dependent, with low pH wines requiring lower levels, and high pH wines requiring significantly greater concentrations to achieve the same effectiveness as in a typical wine with a pH of 3.3 - 3.4. The Free SO2 Kit is divided into a Low Range (0 - 40 ppm) and a High Range (40 - 130 ppm).

Includes 2 High Range Tests (red caps) and 8 Low Range Tests (green caps), 10 samplers, and instructions.

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