Chlorophenol red detection paper indicates the presence of water with a bright red color; only $2.95 for one; quantity discounts. Not recommended for water below pH 5.5
Chlorphenol red sheets available in large format 24x20" (600x500mm). Mininum is a pack of 100 sheets. Other custom sizes also available, MOQ applies.
Click on the Details tab below for more information on this type of moisture test sheet & a view of use with spot plate leak detection.