Sorry, I am not about to put ANY kind of chemicals on something as easily
damaged as a vinyl record, or a precious acetate disc. Plain warm water,
patted dry with paper towels and allowed to dry is quite effective. Not
the same as a fancy machine, I am sure, but still quite effective in
washing away grime and dirt. In this case, low tech is the way to go, for
On Tue, Jan 19, 2016 at 1:33 PM, H D Goldman <[log in to unmask]> wrote:
> Hi Clark,
> Photo-flo is classified as a “wetting agent” with “very little" activity,
> at best, as a detergent. We never found a good reason to include it in
> any formulation. But with the right RCM surely you can just suck
> everything off …. unfortunately that’s wishful thinking.
> It’s usually quite easy to demonstrate this with any RCM. Clean a side
> with your favorite wetting agent, play it twice & listen carefully on the
> third play back. Then repeat with the addition of a suitable water soluble
> If you feel the need, reverse the process.
> It’s an interesting observation that a number of KM owners I’ve talked
> with seem to believe that the focused vacuum & just about any fluid will
> do. Unfortunately this simply is not the case. It has been our experience
> & that of our various testers that thorough cleaning with an effective
> detergent was necessary for consistent, high quality cleaning which
> includes removal of the mold-release agents.
> A substance that reduces the surface tension of water or another liquid,
> causing the liquid to spread across or penetrate more easily the surface of
> a solid.
> detergent: a water-soluble cleansing agent that combines with impurities
> and dirt to make them more soluble and differs from soap in not forming a
> scum with the salts in hard water. Some detergents have both properties to
> varying degrees.
> We chose to use a mixture of a high purity surfactant blend coupled with a
> small but critical amount of I-propanol. The is not isopropyl alcohol.
> Extensive evaluations confirmed the safety & effectiveness of this approach
> which was further confirmed by listening evaluations over a period of years
> from a larger number of interested testers.
> First the doubters claimed it was all BS & then they listened to the
> results …. then they said you could never use the same solution on vinyl &
> shellac & they realized they were mistaken; ask the folks at LOC or a
> variety of respected universities & archives; finally we demonstrated that
> we could also thoroughly & safely clean Edison diamond discs. If you want
> confirmation call the Edison Historical Site as well as the remarks
> volunteered by the head of Yale’s Historical Sound Archive at the ARSC
> meeting in Nashville in the early 1990s.
> Duane Goldman
> H D Goldman Lagniappe Chemicals Ltd.
> PO Box 37066 St. Louis, MO 63141 USA
> v/f 314 205 1388 [log in to unmask]
> On Jan 18, 2016, at 6:24 PM, Clark Johnsen <[log in to unmask]> wrote:
> > Hi Duane.
> > Aren't Photo-Flo and Dawn redundant?
> > c