<human>: What is the best brand of ice cube trays to use?
<bot>: The best brand of ice cube trays to use depends on your needs and preferences. Some popular brands include Pyrex, Rubbermaid, and BPA-free options such as Zerowaste or Glad Press 'n' Seal. Consider the size and shape of the cubes you need, as well as their durability and cost before making a decision.