 new strokes 
before you need to wipe the brush off and get fresh paint - each stroke is 
likely to pick up as much old wet paint as it deposits new paint. The 
workarounds of using a medium to make the top layers more fluid or using a 
softer brush might gain you a couple of extra strokes at most.</p>
<p>That is the basic cycle. When you are done applying a given color, you clean 
your brush - again, a simple wipe may be sufficient - and start again. Or switch 
to a different brush if you are changi