「25〜75ml」の「〜」は英語では to と言います。
例えば
You can put in 25 to 75 ml in the container.
The formula requires 25 to 75 ml.
Anywhere from 25 ml to 75 ml is fine.
「Between」も同じように言えばふさわしいです。
Between 25 and 75 ml.
The recipe asks for between 25 and 75 ml of liquid.
ご参考までに。