Developing a practical zero-waste cleaning routine became essential when my cleaning cupboard used to look like a chemistry experiment with separate products for every surface, each in a plastic bottle with a list of ingredients I couldn’t pronounce, half of them half-empty and probably expired. I replaced all of it with four ingredients. The cleaning got better. The waste disappeared. And I stopped worrying about what I was spraying around the kitchen where I also prepare food.
A zero-waste cleaning routine for a small home is simpler than most people expect, and considerably cheaper than what it replaces.
The Four Ingredients That Replace Almost Everything
White vinegar
A natural disinfectant and descaler that cuts through grease, removes soap scum, and eliminates most bacteria. Diluted 1:1 with water in a reusable spray bottle, it replaces kitchen and bathroom surface sprays entirely. The smell dissipates quickly as it dries. Avoid on natural stone surfaces like marble, which it can etch.
Baking soda (bicarbonate of soda)
A mild abrasive and deodoriser. Sprinkled on a damp cloth, it scrubs sinks, hobs, and bathtubs without scratching. Combined with vinegar, it creates a fizzing action useful for drain cleaning. Sprinkled in the fridge or a smelly bin overnight, it absorbs odours without masking them.
Castile soap
A plant-based, biodegradable soap concentrate made from olive or hemp oil. A few drops in water makes a gentle all-purpose cleaner, floor wash, or washing-up liquid. Dr. Bronner’s is the most widely available brand in Europe and one bottle, properly diluted, lasts for months.
Essential oils (optional)
Tea tree oil is a natural antimicrobial, a few drops added to a vinegar spray enhances disinfecting properties. Lavender or lemon essential oil adds a pleasant scent without synthetic fragrance compounds.
If you share your home with cats, use tea tree oil with extra caution, it’s toxic to cats even in small amounts, including through paws that later get licked clean after walking on a treated surface. Lavender and lemon are safer choices for cat households.
Room by Room: What to Use Where
Kitchen
Vinegar spray for countertops, hob, and sink surround. Baking soda paste (baking soda plus a little water) for scrubbing the hob and sink basin. Castile soap for washing up and mopping the floor. Vinegar and hot water for the inside of the microwave, heat for two minutes with a cup of water and vinegar inside, then wipe clean.
Bathroom
Vinegar spray for tiles, mirror, and toilet exterior. Baking soda for scrubbing the bath and basin. A few drops of castile soap in the toilet bowl, scrubbed, handles weekly cleaning. For limescale on taps and showerheads, soak in undiluted vinegar for 30 minutes and wipe clean.
Living areas
A diluted castile soap solution for floors. A lightly damp microfibre cloth for dusting surfaces, no product required. Vinegar spray for glass and mirrors, wiped with a dry cloth or newspaper for a streak-free finish.
The Zero-Waste Tools That Replace Disposables
- Microfibre cloths — reusable, machine washable, more effective than disposable paper towels for most surfaces
- Reusable spray bottles — refill from bulk concentrates rather than buying new plastic bottles each time
- A wooden or bamboo scrubbing brush — for dishes and surfaces, replaces plastic-handled sponges that shed microplastics
- Compostable sponges or loofah — for tasks that genuinely need a soft sponge
What About Tougher Cleaning Jobs?
For oven cleaning, a thick baking soda paste left overnight and wiped clean in the morning handles most buildup without fumes. For mould on grout, undiluted white vinegar or a tea tree oil spray left for an hour before scrubbing works effectively. These methods take slightly more time than commercial products but produce better results without the chemical exposure in a small, enclosed space.
Common Mistakes to Avoid
Mixing cleaning ingredients without understanding the chemistry causes more problems than it solves. Vinegar and baking soda combined in a closed container will fizz and can build pressure, always use them together in an open space, like a drain or an uncovered basin, never in a sealed spray bottle. Castile soap and vinegar should also never be mixed directly, the acid causes the soap to curdle into a cloudy, ineffective mess rather than cleaning better.
Using vinegar on the wrong surfaces is another common mistake. Beyond natural stone, vinegar’s acidity can also dull hardwood floor finishes and damage cast iron seasoning over repeated use, worth checking a surface’s care guidance before reaching for the vinegar spray by default. When in doubt, test a small, hidden area first rather than treating a full surface immediately.
It’s also easy to underestimate contact time. Natural cleaners generally need longer to work than commercial chemical products, spraying and wiping immediately often leaves grime or limescale only partially addressed. Letting vinegar or a baking soda paste sit for the full recommended time, rather than rushing the process, is usually the difference between a natural clean that works and one that leaves you reaching for something stronger.
Simpler, Cleaner, Cheaper
The cleaning routine I use now takes the same amount of time as before, costs a fraction of what I used to spend on commercial products, and generates almost no plastic waste. The house is clean, actually clean, not just smelling of chemicals that simulate clean.
Start with a bottle of white vinegar and a box of baking soda. Try them for a week. You’ll be surprised how little else you need.
About Olivia
Olivia Knows Things is the editorial voice behind this blog, created to share practical, tested ideas that help people create beautiful, comfortable, and sustainable homes.
