Our Cobalt Chloride test paper detects the presence of moisture. This test paper is useful in difficult to reach places and recesses. Cobalt chloride test paper is responsive to 50% relative humidity and above, and any direct measure of an aqueous solution.

Instructions:

1. Place the test strip or sheet near recesses or areas where there may be cracks/leaks.
2. If moisture is present, the test paper will turn from blue to a light pink/white color.