This is especially true if you have company at your house, it's the holidays, and your wife is the one who spotted the problem. So what's the solution?
Here are a few tips that helped us with our dishwasher's efficiency
+Use a granular dishwasher soap instead of gel
+Clean sprayer arms with picture hanging wire and a white vinegar bath
+Remove grit and reside from fine and coarse filters
+Check underneath the coarse filter for grime
+Eliminate hard water scale buildup with Lemi Shine