Wisk Laundry Detergent Coupon 2012 We have an AWESOME coupon for WISK laundry detergent! Save $2.00 off any one bottle of Wisk Laundry detergent (100 oz or larger) with this Wisk coupon. Wisk printable coupon The link above will take you directly to the coupon. I found it under zip code 78250 though. Remember to [...]