Universal Cleaner
Everything you need to know about Universal Cleaner in one place. Tap a question below for the answer. Surfaces, dilutions, ingredients, septic safety, shelf life, the bag-in-box, and more.
What are the ingredients in Universal Cleaner?
Two ingredients: potassium hydroxide and laboratory grade purified water. What each one does for the clean →
How long does Universal Cleaner last?
About 3 months for a 2L in a standard home. Lifespan factors and the 2L vs 4L decision →
Does Universal Cleaner contain palm oil?
No palm oil and no palm derivatives. The two ingredients, and what vegan and cruelty-free cover →
Is Universal Cleaner compatible with septic and greywater systems?
Septic-compatible when used as directed. For rural homes, vans, caravans and off-grid setups →
What can I use Universal Cleaner on?
Universal Cleaner suits most sealed hard surfaces. Glass, tile, grout, floors, and what to avoid →
How does Universal Cleaner work?
Alkaline chemistry that breaks oils into water-soluble parts. Saponification, in plain terms →
What chemicals are in Universal Cleaner?
Two: potassium hydroxide and laboratory grade purified water. What each one does, and what is not in there →
Does Universal Cleaner kill bacteria and viruses?
Lab-tested against salmonella, campylobacter and E.coli. Where a registered disinfectant belongs →
Do I need to spot test Universal Cleaner first?
Spot test any new or unfamiliar surface first. The three-step method and the warning signs →
What can't I use Universal Cleaner on?
Raw soft metals and coated glass are the two to avoid. Which metals, which coatings, and why →
Can I use Universal Cleaner on food prep surfaces?
Suits benchtops, boards and splashbacks once rinsed and air dried. Why the rinse is the condition →
Is Universal Cleaner fragrance-free?
No added fragrance, no masking agents. The mild scent you may notice and where it comes from →
Is Universal Cleaner eco-certified and allergy-friendly?
Universal Cleaner is GECA certified, Allergy UK certified and Sensitive Choice approved →
Is Universal Cleaner a safer choice around pets?
Fragrance-free and Sensitive Choice approved. Dry times, bowls, and why birds and reptiles differ →
Is Universal Cleaner a safer choice for asthma and allergies?
Sensitive Choice approved, Allergy UK certified. Two ingredients, and why patch-testing matters →
Can I use Universal Cleaner on stone, marble, or granite?
Generally yes on sealed stone, spot-test first. Marble, granite, quartz and travertine →
Can I use Universal Cleaner on TV, monitor, or laptop screens?
Not the screen itself, yes the bezels and stands. The pH reason and what to use instead →
How do I clean carpets, rugs, and upholstery with Koh?
Dilute Sensitive Laundry Liquid for large areas, use Universal Cleaner on small spots. Not for wool or silk →
Can I use Universal Cleaner on a leather lounge?
Suits sealed leather when spot-tested. Aniline and unsealed hides need a different approach →
Can I use Universal Cleaner in a robot vacuum or mop?
Depends on the machine, so start with its manual. Dosing, spot-testing and a no-bucket option →
Are there any fabrics I shouldn't use with Universal Cleaner?
Not on wool, silk or other protein fibres. Which fabrics are fine, and what to use instead →
Does Koh offer Universal Cleaner in bulk or larger formats?
2L and 4L bag-in-box, plus Koh Pro for trade. Which size suits, and who qualifies for Pro →
Can I use Universal Cleaner to wash fruit and vegetables?
Suits produce when rinsed thoroughly under running water. Contact time, leafy greens, firm skins →
Can I use Universal Cleaner with a steam cleaner?
Spray on the surface first, then steam. Never in the water tank, and why hoses are the risk →
What floors can you use Universal Cleaner on?
Suits most sealed hard floors. Timber, laminate, vinyl, tile, stone and polished concrete →
Can you use Universal Cleaner on tile and grout floors?
Ideal on glazed tile, fine on matte and textured. Grout lines need the Grout Brush →
Can you use Universal Cleaner on timber floors?
Sealed timber and engineered wood take a light, quick clean. Spot test oiled or waxed boards →
Can you use Universal Cleaner on laminate floors?
Laminate takes a light, quick clean. Keep the spray light so the joins between boards stay dry →
Can you use Universal Cleaner on stone floors?
Granite, marble, travertine, limestone and slate take a light clean. Keep contact short →
Can you use Universal Cleaner on polished concrete and terrazzo?
Polished concrete and terrazzo take a light, quick clean. Everyday Mop Pads on high polish →