If you’ve previously used liquid or powder detergent and fabric conditioner, there will be a build-up in your machine pipes that sometimes causes nasty odours. Before using the Ecoegg Laundry Egg, which does not contain harsh chemicals, it is good to thoroughly clean your machine.6 tabletsUp to 3 years supply How do you use the ecoegg Detox Tablets? Unwrap one Detox Tablet and place it in the drum of your empty machine with no clothing and then run your hottest wash cycle, preferably at 90 degrees. We recommend detoxing your machine every month. This ensures your washing machine pipes stay clean and it operates more effectively. The box contains enough to keep your machine clean for 6 months. The wrapper in which the ecoegg Detox Tablets are supplied is LDPE (plastic) film, which is recyclable. Please note that the Detox Tablets contain fragrance that may be irritable to those sensitive to fragrance. Please refer to the ingredients tab for more detail.