Before placing baby in the bath tub, place Boogie Board Buddy in bath water. Allow Boogie Board Buddy to sit for one minute, then check the Too Hot indicator. If indicator has turned white, water is too hot for baby (approximately 103 degrees F). Allow water to cool or add cool water until Too Hot indicator returns to original blue color, indicating a safe bathing temperature. As an extra precaution, an adult should always place hand in bath water to test temperature before placing child in bath.