Re: Tween 20

David Morrish (dmorrish@beothuk.swgc.mun.ca)
Wed, 12 Feb 1997 15:31:45 -0330 (NST)

For us in North America who always know where to find Photo-Flo, will the
process be ruined if in desperation, we substitute Tween with the
ubiquitous Photo-Flo? I understand that PF contains additional
ingredients, but do they have a detrimental effect?
Dave Morrish