I keep reading about leaving the varnish or clearcoat on a guitar to dry for at least 3 weeks. Why is this? The clear coat at my local store says it dries in 45 mins. Could this be used instead??

thanks in advance
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go to the guitar building and customization forum
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no, do it properly, they use that type for a reason, to make sure it's a hard wearing coat, plus that other clearcoat wouldn't be lacquer, or else it would take that long to set.

Also, GB&C forum
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