The Blue Bubble contains active substance to clean and freshen your toilet bowl automatically. It can prevent filth form accumulating on the bowl wall by forming a protective layer; one block can work for several weeks. Lasting fragrance with every flush.  It’s Safe to use with toilet bowl. It is very necessary for modern family life.

1. Clean the toilet bowl thoroughly.

2. Remove the cistern cover. Drop the block to the bottom of the cistern with tow sides against the cistern wall near the float, but away from the water inlet and keep it still, in order to ensure it long lasting.

3. Add a new one when the blue color of flushing water disappears.