When the first coat is completely dry, lightly sand the varnished wood in the direction of the grain, using grade 7/0 sandpaper on a padded sanding block. Abrade the surface evenly, but don't cut it deeply. Clean away all sanding residue with a tack cloth, and apply the second coat ...
When the weather turns nice and you want to get out on that back deck or porch you may give a quick look at your wood furniture and realize it needs a little care. That means it time to learn how to refinish outdoor furniture so you get a full season of enjoyment out of it....