Purex Coldwater A staple laundry supply for any home – Purex Coldwater is ideal for everyday use with a powerful clean in hot and cold water. It’s specially formulated with stain fighting actives to go deep into fabric fibers to remove ground-in dirt and stains. Plus, this powerful formula is boosted with fragrance providing 30 days of freshness. Purex Coldwater also helps save energy and money* making it a great value for your family! *vs. washing in warm water