Cobalt Chloride Detection Paper
Cobalt chloride sheets find water leaks fast-under roof shingles & floor tiles or inside car doors only $2.95 or less when you buy in quantity.
Cobalt chlorine sheets are available in large format 24x20" (600x500mm). Mininum is a pack of 100 sheets. Other custom sizes also available, MOQ applies. Or, if you need to find water in cracks, use our pre cut cobalt chloride test strips.
Use Chlorophenol Red Water Leak Detection Paper for a permanent and very distinctive water indication (does not work well below pH 5.5. Universal pH Water Leak Detection Paper, like CR, is also permanent and indicates pH at the same time.
You can also see our blog about leak detection.
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Current Reviews: 2
Note: The reaction is reversible if exposed to water vapor in less than 100% relative humidity. If the sheets are heated or the surrounding air goes dry, these will revert back to their blue color. If splashed, they will change permanently and indicated distinctive white spots.
The moisture detection paper sheets shown in the image are 8x10" (200x250mm). They react by turning a light pink color immediately when exposed to liquid water or slowly when exposed to greater than 55% humidity.
This cobalt water detection paper sheet is available in large format 24x20" (600x500mm) by special order. Mininum special order is a pack of 100 sheets.
You can find more information by click on Cobalt Chloride: Colorful Moisture Detector
5 Stars 2019-06-12
Been stymied by a small leak in a drain pipe in my home for some time - finally ordered these water detection sheets and voila - was able to pinpoint the location of the leak and have the plumber repair quickly. These sheets work great - I think every plumber in America should have them available to help locate pesky leaks - thanks for the great product and helping me solve my annoying little problem.
4.5 Stars 2019-03-12
Good. Received in speedy fashion and well protected from the elements so the paper would not react before getting to NZ.