Saw this hack the other day and thought it was brilliant

not placed in contact with the stem, this method is safe. Another misconception is that ice water is too cold for plants. In reality, as the ice melts, it warms to room temperature, making it safe for the plant.
Potential Risks and Precautions
Though placing ice cubes is generally safe, certain precautions should be taken. Ensure that ice cubes do not come into direct contact with plant roots or the stem to prevent freeze damage. Use this method on plants in well-draining pots to avoid water accumulation at the base,