DEF fluid
Is all DEF fluid the same? I usually buy the Blue DEF but it's now about $20. Our local hardware store has the Blue DEF and another one that is $12.99. I did buy the Blue DEF but just wondered if the ...
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DEF is regulated to be a specific formulation so they are basically all the same.
Recently Costco had blue def for $12 for 2.5 gallons. I just buy from places that likely have decent turnover of the fluid so it hasn't been sitting on a shelf for months and months.
Recently Costco had blue def for $12 for 2.5 gallons. I just buy from places that likely have decent turnover of the fluid so it hasn't been sitting on a shelf for months and months.
