Wisk Ultra Laundry Detergent, High Efficiency
Specially formulated. For front & top loading HE (high efficiency) washers. The Stain Dissolving Power of Wisk HE: Safely dissolves tough stains; Specially formulated for High Efficiency front & top loading machines. Wisk does not contain phosphorus. The surfactants in Wisk are biodegradable and safe for septic tanks.