Water based varnish vs oil based varnish. However oil based varnishes typically have a natural amber tint and often become more yellow over time. This can distort the colors of the item you have painted. You can recoat them in two hours and clean your tools with water. If possible it is always best to use an acrylic based varnish for water based paints and oil based varnish for oil based paints to ensure good results.
This is because the oil in the oil based varnish is actually absorbed into the wood surface while the water based just dries on surface of the wood. Depending upon the look you prefer one will likely be a better choice for your project than the other. In the past oil based finishes were more durable than their water based counterparts. Oil based wood finishes varnish and water based wood finishes may seem the same but there are significant differences between them.
For water based varnishes hardening takes place as soon as the water has fully evaporated. If you start early enough in the day you can apply the recommended four coats and sleep in the room that night.