How to Preserve White Paper When Painintg Wet into wet

- How to Preserve White Paper When Painting Wet-Into-Wet - Watch Free Watercolor Painting Video Lessons. To wet the paper surface, I will use a flat wide synthetic brush and clean water. This is high-quality, Saunders-Waterford watercolor paper, which has 300 gsm weight and is made of 100% cotton. It has a cold-pressed, which is also called ‘Not’, surface. First, I will moisten the entire paper sheet. It is easier to control the amount of water when applying it with a flat brush. You can do it with a sponge as well, but it’s less convenient. You need to make sure that there are no dry gaps left. Because the wet surface is reflective, such gaps are easy to spot. The board with paper is placed horizontally, so water doesn’t flow down. It will take several minutes for paper to absorb water. The paper sheet is fixed to the board with masking tape. To prevent water getting under the tape, its edge is sealed with masking fluid. Because the paper was fixed dry, it will expa