We don't own a decanter, engaging we grabbed a clear glass pitcher that we owned to do the action. The wine bag is much more and an alternative solution. Before moving on, as a something else about the color of our claret.
Well, you may use a wine thermometer that attaches to the bottle. https://Squareblogs.net/parkdate6/inexpensive-wines-myths-about-paying-too-much-for-wine