How do you know if wood is tanalised?

Tanalised wood, treated with preservatives to resist decay and pests, often has a greenish tint due to the chemicals used in the process. You can also identify it by its smooth texture and absence of knots or other natural defects. Additionally, if you notice a distinctive odor similar to vinegar or chemicals, it may indicate treatment. Lastly, checking for specific markings or labels from the manufacturer can confirm whether the wood is tanalised.