Solder help - No Clean flux as seen in this video

[Glock23 10+ year member]

They use "no clean flux" I can't find it.

I'm about to do this DIY project on my car.

http://www.hyundai-forums.com/t31061-mc-accent-led-swap.htm

Click to read more...

 

[audioarsonal 10+ year member]

Clean the area well and use flux-core solder.

 

[Twistid 5,000+ posts]

 

[Immacomputer 10+ year member]

Clean the area well and use flux-core solder.

And then clean up with some alcohol and kim wipes.