Indigo® cobalt chloride paper test strips can indicate the presence of water in tiny cracks & crevices in circuit boards, masonry & more. Only $3.95 for one vial of 100 strips. Spend less-buy just 2 to beat their "free" shipping. Now that's bang for the buck!.
Indigo® cobalt chloride test papers are backed by lab test documentation. See below for Certificate of Analysis, Stability & SDS.
See our blog about water leak detection for more information or watch our video Water Leak Problems?.
Test Strip Documentation
|Stability Statement||Certificate of Analysis||SDS|
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Cobalt chloride paper detects the presence of water, even in cracks. CoCl paper turns from blue to pinkish-white on contact with liquid water. High humidity causes a color change; keep sealed when not in use.