Duzzit Toilet Cleaning Blocks - 6 Power Bleach

Each block typically lasts for up to 6 weeks, depending on the frequency of toilet use and water flow.

They are generally safe for most standard toilets. However, it's always wise to check your toilet's material and instructions.

While the manufacturer doesn't explicitly state incompatibility, use with septic systems should be with caution. Consider if the bleach is appropriate for your septic system.

Remove any remaining pieces from the cistern to prevent blockage. Place a new block in the cistern.

Rinse the toilet bowl thoroughly. If discoloration persists, cease using the block and seek professional advice.

Store the blocks in a cool, dry place away from direct sunlight and out of the reach of children and pets.

Yes, the water in the toilet bowl should turn blue, indicating the cleaning action.

Ensure the block is properly placed in the cistern and not obstructed. If the block is new, wait for a few flushes to see the effects. You may need to replace the block if it has dissolved.

Water flow or usage might be higher than anticipated. Ensure the block is away from the direct water flow of the flusher and consider a replacement schedule.

Check to see if any components inside the tank obstruct the block. Reposition the block. Try to find a place that does not interfere with the mechanics of the toilet.