Raw data on time-dependent temperature change of warm water footbaths with and without the addition of medicinal substances

This data was collected to address the question of natural cooling of footbaths, with or without addition of ginger and mustard. Three conditions were tested: water only; water with addition of 80 grams of powder of mustard (sinapis nigra); water with addition of 80 grams of powder of ginger (zingiber officinale).