Test Tube used to find the ethanol/alcohol percentage in gasoline.

Directions

• Step 1: Add water to the water line.
• Step 2: Add gasoline to the gasoline line.
• Step 3: Replace cap and shake vigorously.
• Step 4: Stand vial vertically with cap upright for 10 minutes.
• Step 5: Locate the gasoline/water separation line and read scale.
• The separation line will indicate the percentage of alcohol, if present.