Can normal B&W stop bath be used when colour printing with RA-4 chemistry or is there a different type of stop?
If I remember correctly, it is the same stop bath. At least, that is what I used. Good luck with color printing. I used to do that, but now I scan.
I once tried the kodak stop bath with the orange indicator and i had some minor staining. I would recommend anything else without an indicator. -ian
I just printed my first color image two nights ago. I used room temperature Fotospeed RA4 developer and Bleach/Fix. Easy as can be. I used plain water for the stop bath - fresh water for each print. I got results I'm still happy with.