Simply put it into the water reservoir behind the toilet, and the ionic force effectively removes stains on the toilet bowl. With the fresh fragrance, it cleans the toilet bowl and eliminates the unpleasant smell of the toilet. The cleansing aroma lasts for a long time. Suitable for the water reservoir behind the general toilet (if the water reservoir is too small to fit in this product, it cannot be used). The usage period is about 1.5 – 2.5 months (the duration of the effect varies with the temperature, water temperature or water volume) Tear off the packaging, put the cleansing pills together with the packaging film directly into the water reservoir behind the toilet, and the packaging film Will dissolve in water, do not flush the toilet within 3 minutes. When putting the washing pill, please avoid the position close to the drain port or the middle part of the water reservoir. It should be placed in the corner opposite to the water injection port, and confirm that the washing pill sinks to the bottom of the basin. If the washing pill accidentally falls into the drain port, water injection port or water storage. When it is in the middle of the device, please use a long object to move the cleaning pill to an appropriate position. If the foaming effect is weakened, please replace it with a new one. Product origin Japan $12/2 pack