Drop the toilet block inside your toilet’s cistern, on the opposite side of the inlet. Keep the wrapper on too, it's biodegradable.

Your toilet will stay clean with every flush. Use a scrub brush occasionally as needed.

After a period up to 3 weeks when your flushes stop flowing blue, pop a new block in and start over.

Note: Approximately 7% of toilets in Australia are not compatible with toilet blocks, where the cistern design causes the blocks to be consumed too quickly. Don't worry, if they don't last for you, we'll refund your first toilet block purchase per our money-back guarantee.