Wisk Coupons on Laundry Detergent April 2012 We have a GREAT coupon for WISK laundry detergent for you today….. Save $1.00 on any one WISK Deep Clean Laundry detergent 45 oz or larger! Wisk laundry coupon The link above will take you directly to the coupon….if not after clicking the link try looking under 78250. [...]