THEY shall be dealt with in due course!!!
I would call the Duratherm guys on Monday and ask them for a replacement for the fluid. The tech service dudes would have a pretty good clue.
If they can't help, call these guys: Paratherm Heat Transfer Fluids |Paratherm Heat Transfer Fluids
Tell them Mike Holloway sentcha 
__________________
Michael D. Holloway
https://simple.m.wikipedia.org/wiki/Michael_D._Holloway
https://5thorderindustry.com/
https://www.amazon.com/s?k=michael+d+holloway&crid=3AWD8RUVY3E2F&sprefix= michael+d+holloway%2Caps%2C136&ref=nb_sb_noss_1
|