Big Blue is the original micro leak detector known for its long lasting bubbles

This one of a kind elastic liquid easily clings to all surfaces

It is the only bubble leak detector capable of identifying leaks down to 0.65oz/yr

It is identifying leaks down to 0.65oz/yr

It is safe to use all gases including oxygen

Freeze protected to 32 Deg F

Made in USA

Fluid is Strong, Persistent Film Forming Liquids that are the Only Bubble/Foam Indicators Capable of Detecting Gas Leakage Down to 0.65 Ounces Per Year

Use on any Gas Including Oxygen

Protects Coil from Corrosion

For Coil in Coastal Region or in Industrial or Agricultural Setting Protect Refrigeration Coil against Food Acid

Cause Negligible Transfer Loss

Great to Repair an OEM Coil Coating

Fast, Air-Dry Formula Bond to all Metal

High Viscosity Formulation to Enhance Contact Time

Non-Corrosive to Metal

Will Not Effect Ultraviolet (Black) Light

Long-Lasting Bubbles

Suitable for all Refrigerants, Natural Gas and Oxygen

Provide a Moisture Barrier to Stop Sweating and Dripping from Refrigeration Lines, Air Conditioning Lines, Cold Water Lines, Other Cold Surfaces

Non-Flammable

Remove, Dirt, Dust, Flux and Light Oil, Fast Drying with no Residue

Non-Conductive to 12 Kilovolt

Synergistic Blend of Brominated and Flourinated Solvents

Safe on Most Plastics

Non-Flammable

Its High Viscosity Formula Enable it to Remain in Contact with the Applied Surface for an Extended Period of Time, Allowing it to Detect the Smallest of Leak

The Longest Lasting Bubbles in the Industry it is also Non-Corrosive to Metal and it will Not Affect Ultraviolet or Black Light

High viscosity formulation to enhance contact time

Long-lasting bubbles

Non-corrosive to metals

Will not affect ultraviolet light

Suitable for all refrigerants, natural gas and oxygen

High viscosity, non-corrosive, long lasting bubble, freeze protected, oxygen safe

Dries at a Controlled Rate, Leaving No Residue

Dissolve Grease and Oil in Seconds

Non-Corrosive

Environmentally and Ozone Safe

Made in USA

High viscosity formulation to enhance contact time

Long-lasting bubbles

Non-corrosive to metals

Will not affect ultraviolet light

Suitable for all refrigerants, natural gas and oxygen

High viscosity, non-corrosive, long lasting bubble, freeze protected, oxygen safe

The Original Industry Leak Detector

A High Viscosity Liquid that Form Bubbles When Daubed on a Gas Leak

Non-Corrosive, Non-Staining and Harmless to Skin

Detect any Type of Gas Leak, Such as Air, Compressed Air, Carbon Dioxide, Nitrogen, Natural Gas and Refrigerant Gases

Safe and Dependable

High Solid and Low Water Content

Equipped with John Guest Fitting for Easy Installation and Seasonal Change Outs

Can be Installed Vertically or Horizontally

Not to be Used on Hot Water Line

Usage Temps of 40 to 80 Deg F

Install with Plastic Tubing Only

If Copper Tubing is Used, The Lead Edges Must be Beveled to Avoid Sharp End Severing the Internal O-Ring