Walgreens: Purex Crystals $1.99March 4, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Have you been wanting to try those Purex Crystals I reviewed, but are waiting for a deal on them? For the month of March, Walgreens has these on sale for $4.99. Here’s how to get them for just $1.99:$2 RR wyb Purex Complete Crystals Softener at $4.99 Use the $1/1 coupon from Facebook or Coupons.com (use zip code 44714) Pay $3.99 Get back a $2 RR Final cost: $1.99 eachThanks, Wild for Wags!