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Product Details

Duck Blue Plus Solid Rim Block leaves behind an amazing, long-lasting fragrance. But they also keep toilets fresh every flush of the way and kills 99.9% of germs.

The idea of cleaning the toilet doesn’t sit well with most. And I swear, I get it—I really do. We ducks are very sympathetic to toilet cleaning. But Duck Blue Plus Solid Rim Block makes the whole process nice and easy. It has a unique action to help keep your toilet fresh and clean with every flush. And rest assured, it leaves behind our trademark Original Blue fragrance, which you can keep going with our handy Twin refills.

Powerful cleaning action

Blues and freshens with every flush

Removes germs

Easily refillable

Suitable for septic tanks.


Sodium dodecylbenzenesulfonate Other non hazardous ingredients


- Pull the hook over the side rim of the toilet bowl and place unit under the rim. Ensure bottom of hook is locked under the lip of the toilet rim.
- Position so water will flow evenly over cage surface.

DO NOT remove plastic wrapping on the refill block, it will dissolve in water.
- Unclip clasp on cage and insert block.
- Ensure the clasp is firmly locked before placing the cage back under the toilet rim.
- Use only Duck Blue Plus or Duck Fragrance Plus refills in this unit.
- For best results, replace the refill holder every six months.
Suitable For: Septic tanks

Health and Product Warnings

H302: Harmful if swallowed.
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