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A genuine OEM cleaning agent for toilet bowls in caravans, motorhomes, portable & cassette toilets. Designed to remove stubborn stains, hard water scale and soil buildup while being safe on plastics, ceramics and toilet seals.

For optimal hygiene and longevity of your toilet, use a dedicated toilet bowl cleaner rather than household cleaners that may damage seals or degrade plastic surfaces.

OEM Part Number: 30337ZK / 30338ZK

1 × 750 ml bottle of Thetford Toilet Bowl Cleaner

olume: 750 ml

Formula: Thick, concentrated cleaner (for better coverage and tougher results)

Stain / Scale Removal: Designed to remove hard water and soil deposits; limescale‐safe on plastic and ceramic bowls

Safety on Seals: Safe for toilet seals – does not degrade rubber/plastic seal materials when used as instructed



Frequently Asked Questions
Q: What does this cleaner do?
It removes limescale, stains, build-up of soil and hard water marks inside your toilet bowl. Leaves a clean shine and helps prevent long-term build-up that’s harder to remove.

Q: How should I use it for best results?

1. Squirt/apply cleaner around the bowl and under the rim.

2. Let it sit for a few minutes (per instructions).

3. Use a soft brush to scrub gently, especially under the rim and around drain holes.

4. Flush or rinse thoroughly.