The alcohol accomplishes several things. You can also hold the disk in your hand when cleaning it, but be careful not to flex the media excessively. Use the other end of the Q-TIP to polish or buff the diskette surface until dry, immediately after scrubbing. Now, using the center hole, rotate the media to examine more of the surface. Be sure to check both sides of the diskette if it is recorded double sided.
Alcohol is fairly inert in respect to the plastics used in many floppy drives.
Also, if the drive used in this process is single sided, alcohol will not weaken the adhesive commonly used to attach the pressure pad. I've found that the best type of floppy storage for preventing this lubricant eating fungus, other than a proper storage environment, is an airtight container. Ziplock type bags work well. Bill whdawson 2. Switch settings for Kaypro Advent Turbo Rom adapter board.