Good call…here is a little more detail.
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Qaulity glassware shouldn’t require vacuum grease.
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cleaning with a good sprayer makes things a bit easier. The nozzle can go further in the glassware. Setting on spray/mist by inserting in the neck of the flask washes of the sides.
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Avoid sonicating glassware. Over time it will weaken the glass.
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Wrap a stir bar in a scrubby and put on stir plate to get off nasty tar.
