Grayson 3 in 1 Gives You the Brilliant Clean and Shine You Expect, Plus Added Protection Against Glass Corrosion, So Your Glasses Keep Their Sparkling Shine for Longer and Are Protected Wash After Wash. Use Grayson Tablets for a Powerful Clean Every Time. Our Powerball Washes Away Residue for an Amazing Shine. Grayson Three in One Is Available in a Re-Sealable Bag So There Is No Need to Unwrap Individual Tablets. *Grayson is recommended by more dishwasher manufacturers than any other detergent.