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Shop
Toilets
Small Sizes (XS, S)
Medium Sizes (M)
Large Sizes (L)
Evo:
The Lightweight
Origin:
The Robust
Timber:
Luxury in Wood
▶ Compare all
B-Goods Outlet
DIY
DIY Kits
Eurobox DIY toilet
DIY Accessories
Accessories
Basics
Bestseller 🔥
Litter
Privacy Flap ⭐
Cleaning
Spare parts & canisters
Trelino®-Merch
Upgrades
Bundles
Portable Sink
Trelino® Splash
NEW
Splash Accessories
Travel Tap
New Products in 2026
Knowledge
How does it work?
About Composting Toilets
Which one to buy?
⭐ Why Trelino?
Build it yourself?
Blog
FAQ
About us
Where to See
Our Values
Social commitment
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B2B
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Cleaning & Maintaining a Composting Toilet: Tips for Urine Tanks, Care & Accessories
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Biological Additive for Urine Canisters "Liquid Fresh"
19 reviews
£24.90
£24.90/l
New Formula
Trelino® • Holy Shine Bio Active
10 reviews
from £19.90
£43.80/l
Save £3.90
The Magic of Freshness in a Package: Holy Shine & Liquid Fresh
6 reviews
Regular price
£46.80
Sale price
£42.90
£28.60/l
Sample size
Biological Additive for Urine Canisters "Liquid Fresh", 100 ml sample size
3 reviews
£5.90
£59.00/l
Save £1.80
Mini Sample Set
2 reviews
Regular price
£16.70
Sale price
£14.90
Trelino® • Spray bottle
No reviews
£5.90
Sample size
Trelino® • Holy Shine Bio Active, 100 ml sample size
No reviews
£5.90
£59.00/l
Save £2.70
Trelino® • Membrane set with recycling bags, litter and Liquid Fresh Mini
1 review
Regular price
£32.60
Sale price
£29.90
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Cleaning & Maintaining a Composting Toilet | Tips & Accessories | Trelino®
