Big Blu 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 safe to use all gases including oxygen. Freeze protected to 32°F, non-corrosive, biodegradable, and NSF approved for use around food.
Features:
Microleaks - Ultra sensitive formula detects leaks down to a rate of 0.65 oz/yr
Any Gas - Tested safe on all gases including oxygen
Non-Corrosive - Safe to use on all metal surfaces
Certified - NSF and Kosher certified, Biodegradable and Eco-Friendly