You can easily determine if your dishwasher spray arm is clogged by performing a visual inspection and checking your dishware after a wash cycle. If your dishes—especially those on the top rack—come out covered in dried food particles, grit, or soap residue even after running a full cycle, blocked spray arm holes are a primary suspect. To verify, pull out the dish rack, remove the spray arm, and inspect the tiny water jets; use a toothpick, straightened paper clip, or a blast of compressed air to push out trapped food debris, hard water mineral deposits, or detergent chunks. You can verify success when water streams freely through every jet hole.
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