GENERAL OUTDOOR DISCUSSION HOME FAVORITE SUBSCRIBED General Outdoor Discussion Water in gas can? Pin As Favorite Subscribe to Topic 11/6/14 @ 3:43 PM INITIAL POST DJH User since 4/15/02 View Profile Block User Left a gas can out in the rain. The vent hole flap was open. How can I tell if water made it through or dripped in the gas? Hesitant to use it. 5 gallon can with about 2 gallons in it. LIKE Report Abuse POST YOUR COMMENTS Displaying 1 to 7 of 7 posts SORT DESC Sort by date Descending Sort by date Ascending ALL DATES Displaying 1 to 7 of 7 posts