PRODUCTS > LEAK DETECTORS > BIG BLU BRUSH ON
BIG BLU BRUSH ON™
MICRO LEAK DETECTOR
Designed for pinpoint leak detection, Big Blu Brush On delivers the trusted performance of our Original Big Blu™ microleak detector in a compact brush-on applicator. The included 10-inch extension dauber makes it easy to inspect fittings, joints and other hard-to-reach areas with precision.
- NSF certified for use around food
- Non-corrosive
- Detects microleaks down to 0.74 oz/year
- Safe on any type of gas
PART# RT175B
SIZE: 8OZ WITH EXTENSION DAUBER
SIZE: 8OZ WITH EXTENSION DAUBER
VIDEO & DIRECTIONS
- Turn off or disconnect all power.
- Brush all surfaces with a flat liquid free of bubbles or foam.
- Focus on threaded connections, joints, and valves. Read our “Leak Detection Manual” for more information.
- Bubbles will form instantly for most leaks. Wait 5-30 minutes. Micro leaks will develop and appear as white foam cocoons or tiny bubble clusters.
- Place unit back into operation and check for vibration leaks.
- Wipe or rinse surfaces if water is available.
- All Done!










