Further tests have shown that, even cool water gets discolored and, perhaps, contaminated, when placed in this bottle. I filled it with water at 70-degrees and let it stand a while, and when poured out the water was slightly brown. I compared it to the same tap water I used to fill the bottle.
While not conclusive scientific proof, it's proof enough for me to never buy a Kalt bottle again, especially if it's a #7 plastic. Shel Belinkoff wrote: > > A little more about this bottle. > > Using Bill's suggestion, I rinsed it with boiling water, then washed it > with laundry detergent, and rinsed it very well again. Just to be on > the safe side, I filled it again with boiling water and let it stand a > while. When I poured out water, it was brown. > > This leads me to questions and conclusions: > > Is the Kalt bottle defective in some way? > > The bottle is made of #7 plastic. Is this a poor choice > for darkroom chemicals? > > Is it a good choice for some chemicals, but not developer > that's put into the bottle at 100-degree temperatures, or > for any liquid at high temperature? > > My suspicion is that the qualities of #7 plastic are different enough > from #2 plastic, that the bottle is really not suitable for the purpose > I'm using it for, or that my cleaning method is not suited to the > bottle. Any comments? -- Shel Belinkoff mailto:[EMAIL PROTECTED] http://home.earthlink.net/~belinkoff/ - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
