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Is Universal Cleaner septic safe?Updated 2 days ago

TL;DR: Yes. Universal Cleaner is safe for standard septic systems. No phosphates, no surfactants, no additives that disrupt tank bacteria. A great choice for rural and regional homes.


Koh Universal Cleaner safe
Koh Universal Cleaner GECA eco certified

Why it is septic safe

Two ingredients, no nasties

Just potassium hydroxide and reverse osmosis water. None of the additives that commonly disrupt septic tank bacteria.

No phosphates No surfactants No fragrance No harsh additives

Great for rural and regional homes

If you are on a septic system, tank, or grey water setup, Universal Cleaner is a smart switch. No nasties going into your system, and no compromise on cleaning performance.

Rural properties Regional homes Camper vans Caravans Boats

Koh Universal Cleaner Starter Kit

New at Koh?

This is the OG. The Universal Cleaner Starter Kit has everything you need to get started in one box.


Chat with ROS-E

Chat with ROS-E

Our GenAI Experience Agent is available 24/7 for instant answers.

ROS-E handles the quick stuff instantly. Our team picks up anything it can't, usually within 1 to 2 business days.

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