Once opened, gesso can last for several years if stored properly in a cool, dry place with the lid tightly sealed. However, over time, gesso may thicken or develop a skin on the surface. To extend its shelf life, you can add a small amount of water and mix well to restore its original consistency. It's always a good idea to perform a patch test before using older gesso to ensure it still provides the desired results. **

Once opened, gesso is generally durable for several years if stored properly in a sealed container and kept away from extreme temperatures. However, its durability can vary depending on the quality of the gesso and how it is stored. It is important to check for any signs of deterioration, such as a change in texture or odor, before using gesso that has been opened for an extended period of time. **

Without gesso or a basic primer, the oil paint will not adhere properly to the surface of the canvas. This can result in the paint not spreading evenly, appearing dull, or flaking off over time. Gesso or a basic primer is essential as it creates a smooth and absorbent surface for the oil paint to adhere to, allowing for better color vibrancy and longevity of the artwork. **

Playing against a grandmaster in chess can be an incredibly challenging and intimidating experience. Grandmasters are among the best players in the world, with a deep understanding of the game and exceptional strategic skills. It is important to approach the game with humility and a willingness to learn, as playing against a grandmaster can provide valuable insights and opportunities for improvement. While the odds of winning may be slim, the experience of facing off against a grandmaster can be a valuable learning opportunity and a memorable experience for any chess enthusiast. **

Without gesso or a basic primer, the oil paint will not adhere properly to the surface of the canvas. This can result in the paint not spreading evenly, absorbing into the canvas, or flaking off over time. Gesso or a primer is essential for creating a smooth and stable surface for the oil paint to adhere to, ensuring the longevity and quality of the artwork. **

No, you should not use tinting paint wall paint white lime as gesso. Gesso is specifically formulated to create a smooth, absorbent surface for painting, while tinting paint wall paint white lime is designed for use as a wall paint. Gesso has a different texture and composition that allows it to properly prepare a surface for painting, so it is best to use gesso specifically made for that purpose. Using wall paint as a substitute for gesso may not provide the same quality surface for painting. **

It is recommended to apply gesso as a primer for oil painting before starting a new painting. Typically, one or two coats of gesso are sufficient to create a smooth and stable surface for the oil paint to adhere to. However, the number of coats may vary depending on the absorbency of the surface and the desired texture. It is important to allow each coat to dry completely before applying the next one. **

Becoming a chess grandmaster is a highly challenging and competitive endeavor that requires exceptional skill, dedication, and strategic thinking. While it is theoretically possible for anyone to become a grandmaster with enough practice and commitment, the reality is that only a very small percentage of chess players ever achieve this prestigious title. To become a grandmaster, one must typically start playing chess at a young age, receive expert coaching, participate in numerous tournaments, and consistently perform at a high level against top competition. It is important to set realistic goals and enjoy the journey of improving your chess skills, regardless of whether or not you ultimately reach the grandmaster level. **