Changing hydraulic oil?

[PeterBergin at aol.com]

Supposedly the blue bottle Febi-bilstein #08972 is the older wrong stuff and 
the green can Pentosin G002000 red is the correct stuff.  However both have 
the same Audi number on the container.  Someone else just told me that they are 
both the same, but just different brands.  The label describes them both as 
Mineral based which is correct.  My leak is down in the rack, which was new 4 
years and 100k ago.

Pete