This will remove any particles in the varnish. Don t pour any more varnish than you will need for one coat. Apply the varnish carefully with smooth continuous strokes. Dip no more than one-third of the natural bristle brush into the varnish can and remove the excess by tapping the bristle against the inside rim of the can. This prevents bubbles from forming.
Bubbles can cause pin holes or craters in the varnish as it dries.
Try to work with the furniture in a horizontal position. This will minimize runs and streaks as far as the actual application of the varnish, the best method is the tic tac toe system. First, brush on the varnish with the grain, then brush quickly against the grain working the varnish in. Finally lightly go over the same area - with the grain again. Work in small sections, completely finishing one before moving on to another.