Starting from 3/22, CVS will have Purex Crystals on buy One Get One Free. There is a $3/2 Purex Crystals Fragrance Boosters coupon! Use this coupon to pick up Purex Crystals for just $1.65 each.
Here is how:
Buy (2) Purex Crystals, $9.43
Use (1) $3/2 Purex Crystals Fragrance Boosters Coupon
$3.29 or $1.65 each after coupon