100PK Cobalt Chloride Test Papers for Testing Water Presence & Humidity - Eisco Labs sold2026 and Truckers

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Xumee 2-in-1 USB-C splitter Aux and Charging

this vent mount allows viewing from any angle

100PK Cobalt Chloride Test Papers for Testing Water Presence & Humidity - Eisco Labs sold2026 and Truckers100PK Cobalt Chloride Test Papers for Testing Water Presence & Humidity Eisco Labs Cobalt Chloride paper is used for testing for water leaks or high humidity. Moisture turns the paper light pink white. Useful in difficult to reach places and recesses. Responsive to 50% relative humidity and above, and any direct measure of an aqueous solution. Paper will change back to its original blue color if heated or the surrounding air dries. Designed for use in