Royal Flush Biological Cistern Blocks provide continuous and effective hygiene maintenance of of toilets, urinals and drains.
The water softening and sequestering agents maintain a clean bowl while the biological cleaning power works in the pipes to prevent any build up of solids that impact drain flow and create malodours.
Contains a range of micro organisms that produce enzymes to digest organic deposits common in toilet drains. Imparts a blue colour every time the toilet is flushed.
Usage Directions
Close the toilet bowl cover and remove the cistern lid. Flush the toilet to empty the cistern tank. Place the block, including its soluble wrapper, into the cistern tank away from the water inlet. Replace the cistern lid. When the colour of the flush water fades add a new block for continuous cleaning and protection.
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