Special water for making tea is a kind of water suitable for making tea. Generally speaking, special water for making tea should have the following characteristics:

1. Low activity: You don't need to change water frequently when making tea, so the special water for making tea has low activity and is not easy to oxidize and deteriorate.

2. Low salinity: minerals have an effect on the taste of tea, and too high salinity will affect the taste and taste of tea.

3. Moderate hardness: The hardness of water also affects the taste of tea. Too soft or too hard water will have a negative impact on tea.

4. Moderate pH value: The quality and taste of tea are related to its environment. The special water for making tea should have a moderate pH value to ensure that the flavor of tea is not destroyed.

5. No odor: remove the odor in the water to ensure the pure taste of the brewed tea.

The special water for making tea can be tap water, mineral water, bottled water, etc. However, it needs proper treatment and purification to ensure that it meets the standard of tea making.