RED GL-7 80W90 Gear oil

["Bromiel, James E (Jim)" <bromiel@lucent.com>]

>  Has anyone ever seen red gear oil?  This weekend I replaced the Gear oil
>  in my differential.  When I opened the quart I noticed the color was red.
> I 
>  checked both bottles, both red.  The brand I bought is "Mystic".  Is GL-7
> all 
>  right to use in a TR6 diff? 
> 
> Jim Bromiel
>  Naperville Il 
>  bromiel@lucent.com
> 1974 TR6 CF23845UO
>  
>