The contents of the White King In-Cistern Power Clean Bleach & Blue pack are two (2) 2pk, or four 50g blocks. 200 flushes maximum per block eliminates stains and microbes flush after flush: When you flush, some cleaning solution and bleach are released. cleans the cistern, the area surrounding the bowl, under the rim, and the bend. The foaming motion leaves behind a clean, fresh scent. Dissolvable wrapper keeps hands clean and creates no mess or bother.
