On 08/11/2013 07:45 AM, Steven Hirsch wrote:
At one point there was a special fluid available to
reveal magnetic domains under a magnifier, but this seems exotic and not
something I would know where to obtain.
It's still available:
http://www.magneticdeveloper.com/
Nice people. The original Magnasee, etc. used Freon as their carrier.
I believe that Kyread uses an HCFC as the medium. In any case, if my
experience is an indicator, do not store the bottle with the provided
dropper as a cap. In a few months, you'll be looking at a bottle with
brown dust in the bottom and little else. Use the original cap for storage.
--Chuck