Kroger Senior Rewards (5% Off Every Wednesday) February 10, 2011 By Michelle 3 Comments In case you all did not know, Kroger offers 5% off the total grocery bill every Wednesday to seniors over 60 years of age. Just let the cashier know that you qualify for the discount, present a form of I.D. and start saving. Go HERE for more details. This may not be available in all areas.