WW is not 'sedimenting", it is coming out of solution and coagulating, coating all the surfaces 'till it starts sloughing off
I've no experience with Valvoline Zyrex Racing Super Coolant
what is in it ?
the ONLY metal that will work as a sacrificial anode is PURE Mg, no alloy
and then where does its corrosion product go ?
use glycol I'd say
we need to get mota to chime in
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