RogueM3 said:If left untopped would the durability of Opti-Seal be about on par with untopped Klasse AIO? (a week or two at best)
I was told to expect 3-4 months, which is quite good for a one step. At the 8 week point, Poli-Seal is holding up well on both a conventionally washed BMW and an ONR washed H2.