Thetford Aqua Kem Green Concentrated – 750–780 ml Eco Toilet Chemical (Septic Safe)

Keep your caravan or RV waste tank cleaner, greener, and odour-free with Thetford Aqua Kem Green Concentrated. This septic-safe, green toilet chemical packs the same freshness and performance into a compact 750–780 ml bottle—perfect for mobile use with less plastic and maximum impact.

Key Features & Specifications:

• Eco-Conscious & Highly Effective

  Twice as concentrated as regular formula—reduces plastic use while delivering powerful waste treatment. 

• Septic Tank Safe & Biodegradable

  Certified safe for septic systems and designed to support biological waste breakdown. 

• Superior Waste Liquefaction & Odour Control

  Breaks down solids and toilet paper for smoother tank emptying, while effectively suppressing odours and gas buildup. 

• Compact Size, Long-Lasting

  Delivers approximately 10 doses from a 750 ml bottle—equivalent to a 2 L standard bottle packed into a small footprint. 

• Easy to Use & Install

  Simple dosing: 75 ml per 20 L of cassette capacity, add 2–3 L of fresh water; one dose lasts about 4 days.