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Windsor and Newton professional Matt spray is the best matt varnish around in a can imho. Windsor and Newton general purpose Matt spray varnish leaves a slight sheen and both come in very similar looking cans.Is it a case that you've been using professional and then you've inadvertently switched to general purpose?It happened to me
I think you’re probably right that I was unlucky, Richard. Given the general positivity around the brush-on product (and my prior good experience) my recent bottle is the outlier.
Mine too.