If it was alcohol based I would rewinterize. 10 minutes and 2 gallons of antifreeze is worth the peace of mind.
Our dealer recommends not using an open bottle of alcohol based antifreeze in the lines due to moisture contamination. In the tanks is ok.
If it is not alcohol based should be ok.
2005 Dodge 3500 Cummins
2017 Wildwood Lodge 4092 BFL
1966 Mustang GT
1986 Mustang SVO
Lillie Spoiled Rotten Boxer Mix