Leak Detection

Choose the Indigo® test method your leak detection problem requires. Full documentation provided including a Stability Statement, Certificate of Analysis & SDS. Optional next day delivery in any quantity of most items.

Count on Indigo® for accuracy & technical support. Call us on our toll free line for immediate assistance or e-mail us with your questions. 1 hour response is typical during business hours, M-F, slightly longer on weekends.

Indigo® Water, Ammonia, H2S Leak Detection Papers

We offer a variety products for detecting water, ammonia & hydrogen sulfide leaks. Our three water sensitive sheets are the most popular. If you aren't sure what your problem requires, start with our 3 sheet sampler.

Displaying 1 to 9 (of 9 products)
Cobalt Chloride 8x10" Paper

Cobalt Chloride 8x10" Paper

SKU: 33813-Co8
$2.95USD or lower Each
Chlorophenol Red 8x10" Paper

Chlorophenol Red 8x10" Paper

SKU: 33813-CR8
$2.95USD or lower Each
3 Water Leak Sampler Pack

3 Water Leak Sampler Pack

SKU: 33813-WS8
$8.65USD Each
Water Leak Testing Papers

Water Leak Testing Papers

SKU: 33813-Co
$3.95USD or lower Each
Lead Acetate Paper

Lead Acetate Paper

SKU: 33810-PbAc
$3.95USD or lower Each
Ammonia Leak Detection Cloth

Ammonia Leak Detection Cloth

SKU: 33820-BTB/L
$99.00USD or lower Each
Ammonia Leak Detection Strips

Ammonia Leak Detection Strips

SKU: 33810-Phe
$3.95USD or lower Each
Humidity Test Strips

Humidity Test Strips

SKU: 33813-2080
$13.95USD or lower Each
Universal pH 8x10" Paper

Universal pH 8x10" Paper

SKU: 33813-U8
$2.95USD or lower Each
More Information
Need some advice? See 4 blogs we've done on leak detection listed below. Still need help? Contact us by phone or e-mail & get the benefit of Indigo Expertise™. 
Frequently Asked Questions

FAQ for Leak Detection

Simply wet phenolphthalein ammonia litmus test paper and hold it near the suspected refrigerant leakage point. Most of the time this will be at a fitting & paper will change color. A slow leak in multiple locations along a length of pipe is much harder to detector. Try wrapping ammonia leak detection cloth around the pipe look for tiny color changes in the cloth. 

Natural gas is normally odorless. Small amounts of sulfur based compounds are mixed in to give it a faint "rotten egg" smell. You're most likely to smell it near your furnace or hot water heater. Ammonia does have its own odor distinct odor though.