Rinsing a Serological Pipet
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Before using a pipet, you should completely rinse it with your solution. Use the bulb to draw several milliters of solution into the pipet. Remove the bulb and place your finger over the mouth.
Turn the pipet horizontal and rotate it several times to rinse the sides of the pipet.
Turn the pipet upward and let it drain into a waste beaker.
Repeat the process once more.