Mercruiser 91-879172T28 Alcohol Test Tube.

used to measure percentage of Alcohol in fuel. Fill with water to the line, fill with gas to the neck, put lid on and shake vigorously, stand vertical with cap on, let stand for 10 minutes, locate the gas/water separation line and read scale for percentage of alcohol

Replaces Mallory 9-79816


  • 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



Mercury Alcohol Test Tube

SKU: 879172T28
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