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TO FIND THE LEVEL OF WATER IN A TANK, WIPE A THIN FILM OF PASTE ON A GAUGING STICK AND LOWER IT TO THE BOTTOM OF THE TANK. WHEN YOU REMOVE THE STICK, THE GREEN PASTE WILL CHANGE COLOR WHERE IT IS CONTACTED BY WATER. THE WATER LEVEL WILL SHOW IN RED. UPDATED FOR ETHANOL-TREATED FUELS. EACH JAR CONTAINS 3OZ (85G).
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