Laundry and dishwasher detergent
When it comes to liquid laundry detergent, the rule of thumb is that unopened liquid laundry detergent can last from nine months to one year after the purchase date. Opened liquid laundry detergent should be used within six months.
The sizes you can find at warehouse clubs can last for several years, if we’re speaking about the quantity, but in terms of quality, you might not obtain the best results and have the cleanest and freshest clothes.
Dishwasher detergent lasts even less than laundry detergent. Good Housekeeping says that dishwasher detergent is super effective for only three months. After that, it will not clean as efficiently, which means you’ll have to buy another one and throw the remaining detergent down the drain, along with your money.
You’d be nuts to buy the next one…..
