i have 1 gal of prestone dex-cool extended life antifreeze/coolant do i have to add water to it
Dec 14, 2011 at 6:27 PM
FIXITMR
✓Experienced Mechanic
9,989 POSTS
did you read the container for instructions?
Dec 14, 2011 at 6:46 PM
MSAMGAB
MEMBER
44 POSTS
how much is 50% and 30% of water, it donst say how water to add
Dec 15, 2011 at 6:28 AM
FIXITMR
✓Experienced Mechanic
9,989 POSTS
50% is called half and half. equal parts of dex and water. 30% is 2/3 dex with 1/3 water. these are ratio's of a quantity. the quantity in your case is 1 gallon. so 1 gallon dex with 1 gallon water 50/50 or 1 gallon dex with gallon water. 30% would i gallon dex with 1/2 gallon water.