Many painters and carpenter don’t know how to make up the wood have been many black knots. Some people trying remove it, someone don’t touch it but when we paint wood, it can’t be cover the knots- look very unsightly. So bleaching wood can be remove the black knots. And how to painting the wood evenly.



Using the wood have black knots, we can’t bleach wood because it’s not work. In this case, we use white painting to spotting the black knots and waiting until it ‘s dry. Then we stain the favorite color.