Purex Crystals In-Wash Scent Booster, Fresh Spring Waters, delivers up to 21 weeks of freshness out of storage, keeping towels, sheets, and clothes smelling clean and fresh. Designed with nature in mind, Fresh Spring Waters brings sparkling floral fragrance notes to your laundry. It provides a burst of freshness while targeting tough odors. Easy to use, simply add directly to the washer drum along with your liquid detergent. Safe for all fabrics and household items including towels, activewear, and children’s sleepwear, and can be customized so you can adjust scent strength to your preference. Works in all washing machines, including high-efficiency (HE) models, and in all water temperatures for long-lasting freshness