Phone: (519) 746-4761

Canadian Address:

169 Lexington Court, Unit I

Waterloo, ON, N2J 4R9

 

US Address:

Niagara Falls, NY 14305

Canadian/International ship from Waterloo; US orders from Buffalo, NY.

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Cobalt Chloride Test Paper Sheets

Find water leaks fast-these cobalt chloride paper sheets make positive identification easy in roofs, walls, under tiles & more; only $3.00 or less.

These sheets differ in their use from the individual strips because they will allow for identification of spray or leakage patterns when left in enclosed spaces such as under roofing shingles, inside car doors or under ceramic tiles.

Click on the Tabs below for more information.



Related Products


SKU: 33813-Co8
Cobalt chloride sheet, 200x250mm (8x10")

PRICE BREAKS - The more you buy, the more you save.
Quantity1+10+ 100+ 1000+ 
Price for each$3.00USD$2.70USD$2.40USD$2.10USD
Your savings- 10%20%30%
Quantity :

Related Products

 QuantityProduct/DescriptionPrice (EACH) 
Blue litmus paper-acid test; 8x10 Blue litmus paper-acid test; 8x10" sheets
Sku: 33810-B8
$2.50USD or lower
Red litmus paper-alkaline test; 8x10 Red litmus paper-alkaline test; 8x10" sheets
Sku: 33810-R8
$2.50USD or lower
Chlorophenol red water detection  sheet, 200x250mm (8x10 Chlorophenol red water detection sheet, 200x250mm (8x10")
Sku: 33813-CR8
$3.00USD or lower
Water Detection-pH Sensitive Test Paper, 200x250mm (8x10 Water Detection-pH Sensitive Test Paper, 200x250mm (8x10")
Sku: 33813-U8
$3.00USD or lower

Note: The reaction is reversible. If the sheets are heated or the surrounding air goes dry, these will revert back to their blue color.  For permanent records of water leakage, you should use either chlorphenol red water detection sheet or the universal pH water indicator paper.

You can see in the image below that the change in the cobalt chloride sheet is quite distinctive but less so with the Universal pH paper. The reason is that regular tap water is typically around pH 6 & this does not produce a color change in the pH paper. More acidic (<ph5) or more basic (>pH8) would be more noticeable.

The other 2 types of water/moisture detection sheets are listed below in Related Products. If you are not sure about your problem, we recommend you buy one of each of the others as a fallback.



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 order is a pack of 100 sheets.

You can find more information by click on Cobalt Chloride: Colorful Moisture Detector

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