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Eco washing machine cleaning South Africa is the maintenance step most households skip, and it is the reason many washing machines develop a musty smell that transfers to clean laundry. A dirty machine does not clean effectively. Detergent residue, fabric softener buildup, and organic matter from clothing accumulate on drum seals, door gaskets, and heating elements over time. The result is reduced washing performance, persistent odour, and an environment where bacteria multiply between washes.
This guide covers why machine cleaning matters, how to do it without harsh chemical products, and how often to run a maintenance cycle.
Why Your Washing Machine Gets Dirty
The interior of a washing machine is warm, wet, and regularly exposed to organic matter. These conditions are ideal for the buildup of two things: detergent residue and bacteria.
Detergent residue. Most conventional laundry detergents contain surfactants and fillers that do not fully rinse out of the drum at the end of a wash cycle. This residue accumulates on drum walls, door gaskets, and in the detergent drawer over time. The buildup traps moisture, becomes a surface for bacterial and mould growth, and contributes to the grey film that appears on the drum interior of machines that have not been cleaned regularly.
Bacteria and mould in door gaskets. The rubber gasket that seals the door on a front-loading machine is the highest-risk area for mould growth. It stays damp between washes and accumulates lint, dirt, and organic residue from laundry. Without regular cleaning, black mould establishes itself in the folds of the gasket and is very difficult to remove once it is entrenched.
Low-temperature washing. The shift toward energy-efficient washing at lower temperatures (30°C to 40°C) means fewer wash cycles reach temperatures that kill bacteria. Regular machine cleaning compensates for this, preventing the bacterial buildup that lower-temperature washing does not address.
The Problem With Conventional Washing Machine Cleaners
Commercial washing machine cleaning products typically use bleach, citric acid, or chlorine-based compounds to clean the drum and kill bacteria. These products work, but they come with trade-offs.
Bleach-based machine cleaners off-gas fumes during the cleaning cycle. They are aggressive on rubber gaskets over time, contributing to premature seal deterioration. Citric acid-based cleaners can crystallise in pump filters if the product does not fully rinse out, causing blockages in older machines. And all conventional machine cleaners leave chemical residues in the drum that carry over into the next wash load.
Eco washing machine cleaning South Africa avoids these problems. An enzyme-based machine cleaner breaks down the organic matter and detergent residue inside the machine without harsh chemistry, without fumes, and without residues that affect the following wash.
How To Clean Your Washing Machine Without Harsh Chemicals
The Bio Tech Washing Machine Cleaner & Deodoriser by GreenWorx Eco uses enzyme technology to remove detergent buildup and organic residue throughout the machine. It is safe for all machine components including rubber gaskets, and it leaves no chemical residue in the drum after the cleaning cycle.
Step-by-step cleaning process:
1. Clean the door gasket first. Before running the cleaning cycle, wipe the inside of the door gasket with a damp cloth. Pull back the folds of the gasket and remove any visible lint, hair, or residue. For existing mould on the gasket, apply a small amount of undiluted Bio Tech Bathroom Cleaner Concentrate to the affected area, leave for 5 minutes, and wipe clean before proceeding.
2. Clean the detergent drawer. Remove the detergent drawer if your machine allows it. Rinse under warm water and scrub with a small brush to remove detergent and fabric softener buildup. Replace before running the cycle.
3. Add the machine cleaner. Add the recommended amount of Bio Tech Washing Machine Cleaner & Deodoriser directly to the drum.
4. Run a hot cycle. Select the hottest available wash cycle on your machine (typically 60°C or the machine’s drum clean cycle if available). The heat activates the enzyme action and ensures the cleaner reaches all internal surfaces including the pump and pipes.
5. Wipe the drum after the cycle. Once the cycle finishes, wipe the inside of the drum and the door seal with a dry cloth. Leave the door open for at least an hour to allow the machine to air dry.
How Often Should You Clean Your Washing Machine?
Monthly eco washing machine cleaning South Africa is sufficient for most households. This schedule prevents residue from accumulating to the point where it affects washing performance or produces noticeable odour.
Some households benefit from more frequent cleaning:
- Households that wash large volumes of laundry, particularly sports or workwear, should clean the machine every two to three weeks.
- Machines used mainly at low temperatures (30°C) should be cleaned every three weeks, since fewer hot cycles run between cleans.
- Machines that already have a noticeable musty smell should be cleaned twice in the first month, one week apart, to clear the existing buildup before moving to a standard monthly schedule.
Habits That Keep Your Washing Machine Cleaner Between Cycles
Regular machine cleaning reduces buildup, but a few simple habits extend the time between cleans and keep the machine in better condition overall.
Leave the door open between washes. A closed machine door traps moisture in the drum and the gasket. Leaving the door ajar after a wash cycle allows the interior to dry out between loads.
Use the correct detergent dose. Excess detergent does not clean better. It leaves more residue in the drum and on clothing. Always use the dose recommended on the product label for your water hardness and load size.
Switch to an eco laundry detergent. Conventional detergents with high filler content leave significantly more drum residue than concentrated, low-filler eco alternatives. The Odorite Ultra Plus Laundry Detergent by GreenWorx Eco is a low-residue formulation that cleans effectively while reducing the buildup that makes machine cleaning necessary in the first place.
Visit the GreenWorx Eco shop to find the Washing Machine Cleaner & Deodoriser and the full Bio Tech laundry range. For the complete guide to cleaning your home without harsh chemicals, read How To Clean Your Home Without Harsh Chemicals South Africa.
“We haven’t run this one through our own machine yet, but we’re genuinely looking forward to it. Everything else we’ve used from the GreenWorx range has done exactly what it promised, so this is one we’re excited to add to the routine.”
Last Updated: July 2026
