No.
I don't think it was brought up before in your other threads, but sadly, there are FAKES of the stuff out there, so be careful where you order it from.
A legit package should have a security code included for you to look up and confirm validity.
TG has a list of distributors and resellers: https://www.thermal-grizzly.com/en/where-to-buy
Aluminum where? In the cooler loop?
That has no effect on Kryonaut.
Kryonaut will be fine. Conductonaut would eat the aluminium if it was in direct contact with it because of the gallium.I mean because of metals like aluminium...