With that info I could say evap. And it’s skinny and weird too
It looks like an evap sorry 😞 x
That looks like evap
What's avap
Evap
Evap what's that
@Ellie a evaporation line
No experience with blue dye tests but I’ve never had a pink one materialize a clear line when it dried. I’d definitely test again, I think it’s too clear to be false
Evap