View Full Version : Bottle cap liner replacement?
Ulophot
10-May-2020, 05:52
Recently purchased plastic bottles came with caps with a poor excuse for a liner to seal the air out. Anyone have a good, inert replacement suggestion that will work with all standard chemistry?
Thanks.
I find that properly fitting plastic caps on glass bottles are pretty much airtight without an additional liner. Good enough to keep mixed c41 developer good for over 6 months at least.
Perhaps it can be kept simple?
Joe O'Hara
10-May-2020, 08:23
Some of the suppliers of glass bottles offer the black bakelite caps with polyethylene liners. Those are very nice. I always get a bag of them if the bottles come with caps that have the paper liners that you can't really get clean.
Reusable green beer bottle white caps have plastic liners. from your U brew it.
Gord Robinson
10-May-2020, 12:23
When I am going to store a chemical for any length of time I put a piece of Parafilm "M" over the mouth of a bottle to keep air out and prevent any contamination from the cap. It is flexible and self-sealing lab material that you can stretch over the mouth of a bottle. piece of wax paper over the mouth of a bottle will also prevent any contamination from the cap. Parafilm is fairly cheap off the big auction site.
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