6-Count Cascade Platinum Dishwasher Cleaner and Deodorizer $7.69 at Amazon
Amazon has the 6-Count Cascade Platinum Dishwasher Cleaner and Deodorizer for $10.98 - 25% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) =
$7.69 with free shipping on $25+ or with Prime. (6 month supply)
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