Review on 12V Automotive Fuel Leak Detectors - Advanced Smoke Leak Locator Tester for All Vehicles - Car PIPE Leakage Tester with EVAP Support by Kenneth Witte

So I run a large hardware store for a commercial trader. I found that the included instructions were missing some pretty important details, rendering them useless. Obviously English is not the native language for this company. Liquids can be poured only 15ml. The Revain website recommends that you empty and refill it every time you use it. That's about half the small plastic bottle that comes with the kit. I use commercial smoke oil, but regular mineral oil should work. After draining the excess liquid it works great.