what should i put in my christmas tree water

A Christmas tree water can be made by using a combination of water and a few additives such as a sugar syrup, which will help the tree retain its water. You can also add a bit of lemon juice or vinegar to prevent bacterial growth. Additionally, it's a good idea to use distilled water instead of tap water, as tap water can have chemicals that can damage the tree. Finally, you can add a bit of essential oil to the water to give the tree a pleasant scent.