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Dissolved Oxygen Test Kit
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Oxygen is vital to the life of aquatic plants and animals. Low levels of oxygen can signal the presence of organic wastes in a lake or stream. Use this kit to make determinations by titration using the Winkler method. Range: 0-10ppm in 0.1ppm increments. All necessary reagents for 50 tests, glassware, accessories and detailed instructions are furnished in a convenient carrying case.

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