$1/1 Alka-Seltzer product & $1/1 Miralax Posted by Harbor Master on 5 January 2018, 9:39 am Tweet The Coupons Expire 01/31/18, The print limit is two of each coupon. (The coupons state limit of four Exact same coupons per household per day) Click here to print a coupon for $1 off any ONE Alka-Seltzer Product Click here to print a coupon for $1 off any One MiraLAX