Photo Formulary's copper toner: experience?

Does anybody have any experience with Photo Formulary's copper toner? Good or bad? It sounds like, from their description, it can produce a wide range of colors. Is it real fussy or unpredictable? It also sounds like it's quite fast, which can be a mixed blessing. Can it be slowed down by diluting? What are the time ranges for which colors?

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Thanks!

I didn't think much of it. This was a while ago. I believe I was

toning Oriental Seagull. I just didn't like the color I was getting.

I doubt this had anything to do w/ the quality of Formulary's product

but rather with the nature of copper toning and how it works w/ that

particular paper. With conventional silver papers, including

Oriental, I've never really been able to improve on selenium. Works

great w/ Azo, tell you that.... I've recently taken up platinum and

palladium printing, by the way, and find that the brown tone of a pure

palladium print (putting aside paper texture, tonal range, etc.) is

pretty much what I was always trying to get w/ silver paper and

whatever toner. -jeff buckels (albuquerque)

I'v e only used it a little bit but it seems to work quite well and is

fairly predictable. I get anything from a lightish reddening to deep

reddish brown if left long enough. Most people don't really get into

toning that produces that much color shift but I find its fun to

experiment with and some otherwise dud images seem to come to with a

color change. Have fun