best
to discard it.
Plastic Items on the Bottom Rack
Even dishwasher-safe plastic can sometimes warp if placed too close to a heating element. The top rack is generally safer for lightweight plastic items unless the manufacturer states otherwise.
Secure small items so they cannot fall through the rack or interfere with the spray arms and heating components.
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Items With Adhesive Labels
Jars, bottles, and containers with paper labels or stickers can create a mess inside the dishwasher. Labels may peel off, break apart, and collect