[cctalk] Re: Double Density 3.5" Floppy Disks

[Fred Cisin via cctalk]

Ignorant question:

Q: When looking for current availability of bulk tape/disk demagnetizers, 
on eBay, I ran into a lot of CD/DVD demagnetizers
What kind of a problem do they have with magnetism?
Or is this like the DVD REWINDERS?