Can I use regular detergent instead of HE detergent in my Whirlpool washer?
No, you should always use only HE High-Efficiency detergent in your Whirlpool washer. Using regular detergent can cause excessive suds, which leads to the washer leaking, drainage concerns, and poor rinsing performance.
From the official Whirlpool Washer F21 manual, page 2
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