Harvey’s Leak Locator is a highly effective, 2 oz liquid solution designed to pinpoint gas leaks in seconds. Whether you’re working on tubing, valves, cylinders or pressurized tanks under air, gas or oxygen, this user-friendly formula produces foam on small leaks and large bubbles on more significant ones—ensuring you catch even the tiniest escape before it becomes a hazard. Formulated to perform reliably in extreme conditions from –55 °F to 160 °F, it’s non-toxic, biodegradable, non-corrosive and gentle on skin, making it ideal for plumbing, HVAC and DIY applications alike.

Compact and ready to use straight out of the bottle, Harvey’s Leak Locator delivers peace of mind with every squeeze. Keep this blue-tinted liquid on hand for quick safety checks, routine maintenance and any time you need instant leak detection without complicated equipment.

Key Features

• 2 oz squirt-bottle for on-the-spot testing
• Detects leaks on all types of tubing, valves, cylinders and pressurized tanks
• Small leaks show foam; large leaks form big bubbles
• Operates from –55 °F to 160 °F for wide-range applications
• Non-toxic, biodegradable, non-corrosive and non-irritating
• Odorless formula with pH 7.2 for user comfort
• Blue color for easy visibility
• VOC content 550 g/L

⚠️ WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.