If a nice isopropyl alcohol scrubbing doen't work, try a blue flame (possibly propane gas) cleansing.
Pour water
If you wash in a dishwasher, it's because your water has too many minerals in it. This clouding is called "etching." Use a finishing rinse like Jet Dry.
pyrex: a glass pipe fog: your drug of choice
A Bunsen burner is not made of pyrex, it's metal. Usually a beaker or flask made out of pyrex glass is heated by the flame from the Bunsen burner.
The opposite of clean (adjective, tidy) would be unclean, dirty, soiled, or stained. The opposite of "to clean" would be to dirty or to stain.
find a cleaning thing that cleans stained temperedglass or something
I am including a link that tells you how to identify which type of stained glass you have and how to clean it. It is important to follow the directions carefully because if not cleaned the right way crystals can form from the stained glass and are hazardous. http://ezinearticles.com/?How-to-Clean-Stained-Glass-Windows&id=2540582
How do you clean an ugg without cleaning spray and after it is already stained
Pour water
If you wash in a dishwasher, it's because your water has too many minerals in it. This clouding is called "etching." Use a finishing rinse like Jet Dry.
Pyrex was created in 1915.
salammoniac is used to clean and tin the soldering iron that solders the lead that holds the stained glass together.
Try acetone, butanol, trichlorethylene.
If a nice isopropyl alcohol scrubbing doen't work, try a blue flame (possibly propane gas) cleansing.
Pyrex is the trade name of a Corning low thermal expansion glass. All Pyrex is glass, not all glass is Pyrex.
Corning Pyrex was introduced in 1915.
Mr. Clean magic erasers work great, they sell them at Wal-Mart and places like that.