Lu Blue Toilet Blocks

Product Code: SBLUE

The Lu Blue Cistern Block is a long-lasting blue-dyed toilet cleaner and freshener which kills germs and bacteria.

Simply drop into the cistern and when the toilet no longer flushes blue water, it is time to replace the block.

It should not be used in porous cisterns.

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Industrial & Wholesale Cleaning Supplies


Mark-Douglas Industrial Supplies has a Head Office in Long Eaton, with presence throughout the Midlands and South Yorkshire. We deliver a wide range of wholesale and industrial cleaning supplies for use in factories, workshops, leisure centres, hotels, schools, hospitals and public buildings. Our range is vast and varied, including full selections of cleaning equipment, cleaning chemicals and eco-friendly cleaning supplies.