Brake Fluid Leak

[SilvernBlack69]

I noticed paint bubbling up on the insider fender below the master cylinder and proportioning valve. The two lines are long and make many turns which are connected to proportioner.
One of the lines is leaking it appears on the fitting which has two nuts or couplers ? I checked and they are tight. If I take them off and re-tape them with teflon tape is that the proper way to stop the leak ?
Should I remove them totally ?
Also and most important will I have to bleed the brakes once I remove and re-tighten ?

Thanks