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A genuine OEM concentrated flush-water additive fluid designed for Thetford and portable / cassette toilets that use a separate flush‐water reservoir. Provides a fresh lavender scent, helps prevent limescale, improves flush performance, all in a smaller, eco-friendly bottle.

Using a quality flush additive ensures smoother flushes, cleaner bowls, and helps protect components and surfaces over time.

OEM Part Number: 30651ZK

1 × 750 ml bottle of Aqua Rinse Pink Concentrated fluid

Specifications: 

Volume: 750 ml (concentrated)

Concentration: 2× strength compared to standard Aqua Rinse Plus / non-concentrate versions

Suggested Dose: 50 ml per 15 L of flush water

Colour: Pink

Safe for: both plastic and ceramic flush bowls

Convenient small bottle 

Less plastic, less environmental impact 

Frequently Asked Questions

Q: What does this product do?
It freshens flush water, reduces limescale build-up in the flush tank, helps the flush be smoother, and leaves a pleasant lavender smell after each flush.

Q: How much do I use each time?
Use about 50 ml of this concentrate per 15 litres of flush water. Fill flush water tank first, then dose.

Q: Why is this “concentrated”? What are the benefits?
Because it’s twice as strong, you get the same flushing power / freshness using half the fluid of standard non-concentrated options. That means smaller bottle, less plastic, lighter weight — good for storage and environmental impact.

Q: How often should I add it?
Every refill of your flush water tank (i.e. when you top up your flush water).