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Is Sensitive Laundry Liquid septic and grey water safe?Updated 5 hours ago

TL;DR: Yes. Sensitive Laundry Liquid is septic and grey water compatible when used as directed. Free from phosphates, dyes, and VOCs. Suitable for rural properties, regional homes, caravans, camper vans, motorhomes, and boats.


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Koh Sensitive Laundry Liquid USPs
Koh Sensitive Laundry Liquid in use

Is Sensitive Laundry Liquid septic and grey water safe?

Yes. Koh Sensitive Laundry Liquid is septic and grey water compatible when used as directed. The formula is free from phosphates (which can disrupt septic systems and cause algal blooms in waterways), dyes (which add unnecessary chemicals to wastewater), and VOCs (volatile organic compounds that can harm aquatic life). It's suitable for rural and regional homes on septic tanks, off-grid properties using grey water reuse systems, caravans, camper vans, motorhomes, and boats. Always use the recommended dose, follow your septic system manufacturer's guidance, and check local council rules for grey water reuse in your area.

✓ Why it's septic and grey water safe

Sensitive Laundry Liquid is free from phosphates (which can disrupt septic systems and cause algal blooms in waterways), dyes (extra chemicals in wastewater for no clean), and VOCs (compounds that can harm aquatic life). The biological enzymes break down naturally in septic and grey water environments.

Septic safe Grey water safe No phosphates No dyes No VOCs

✓ Where it works well

Suitable for rural and regional homes on septic tanks, off-grid properties using grey water reuse systems, and mobile setups like caravans, camper vans, motorhomes, and boats. Always use the recommended dose, follow your septic system manufacturer's guidance, and check local council rules for grey water reuse in your area.

Rural and regional homes Off-grid Caravans Camper vans Boats

Koh Sensitive Laundry Liquid bag-in-box

Sensitive Laundry Liquid

Around 60 washes per box. Sensitive Choice approved, Dermatest tested. Septic and grey water safe. Made in Victoria, Australia.

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Last reviewed: May 2026


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