Coffee Machine Descaler with Colour Indicator – 750 ml / 5 l concentrated formula diluted 1:4 • colour indicator shows when the solution is spent • 6 or 40 descaling cycles
See when your descaler is spent. WoldoClean’s pink-red 2-in-1 liquid descaler helps dissolve limescale in the water circuit of compatible coffee machines. The solution turns yellowish when its descaling action is exhausted. Follow your appliance’s care instructions, and wear protective gloves and eye protection when handling the concentrate.
- Colour indicator – pink-red while the solution may still be active; yellowish when spent.
- Dilution 1:4 – mix 125 ml of concentrate with 500 ml of water.
- Six or 40 descaling cycles – choose the 750 ml bottle or 5-litre container.
Safety information
Warning
H315: Causes skin irritation.
H319: Causes serious eye irritation.
Keep out of reach of children. Wear protective gloves and eye protection.
IF ON SKIN: Wash with plenty of soap and water. If skin irritation occurs, get medical advice.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists, get medical advice.
Dispose of contents and container in accordance with local regulations.
How does WoldoClean 2-in-1 liquid descaler work?
Limescale builds up where water flows – often in places you can't see. WoldoClean's concentrated descaler helps dissolve those mineral deposits in a coffee machine's water circuit. The 2-in-1 description refers to cleaning and descaling that circuit.
Descaler serves a different purpose from coffee machine cleaning tablets. It is not designed to remove coffee oils or greasy deposits from the brew unit. For thorough machine care, descaling the water circuit and cleaning the brewing system are separate but complementary maintenance steps.
What is the difference between the pink-red and clear WoldoClean descalers?
Both products are concentrated 2-in-1 descalers intended to clean and descale the internal water circuit. The pink-red formula does something the clear one doesn't: it changes colour as its descaling action runs out. The clear 750 ml version is formulated with sulfamic acid, citric acid and a corrosion inhibitor that helps protect delicate internal components and pipework.
| Feature | Pink-red descaler with colour indicator | Clear descaler without colour indicator |
|---|---|---|
| 2-in-1 cleaning and descaling | Yes | Yes |
| Colour indicator | Yes – the change in colour shows when the solution’s descaling effectiveness has been exhausted | No – a clear solution without colour-based monitoring |
| Main practical benefit | Lets you check the solution’s remaining descaling effectiveness at a glance | The formulation includes a corrosion inhibitor that helps protect delicate components and pipework |
| Available sizes | 750 ml and an economical 5-litre container | 750 ml |
| Which one should you choose? | Choose this version if you want to follow the solution’s effectiveness by its colour or need a larger container | Choose this version if you prefer a clear solution and a formulation that includes a corrosion inhibitor |
Which version is right for you? Choose the pink-red descaler if you would like to monitor the remaining descaling effectiveness by its colour or need the economical 5-litre size. If you prefer a clear solution without a colour indicator, take a look at the clear WoldoClean 2-in-1 liquid descaler. Its corrosion inhibitor helps protect delicate internal coffee machine components.
Important: the term 2-in-1 refers to cleaning and descaling the internal water circuit by loosening mineral build-up and removing limescale. Neither version replaces coffee machine cleaning tablets designed to remove coffee oils and greasy deposits from the brew unit.
How does the descaler’s colour indicator work?
Still pink-red? The solution may have descaling action left. Turned yellowish? Its descaling action is exhausted. The liquid starts out pink-red and gradually changes colour as it reacts with limescale.
- Pink-red solution: the descaling effectiveness has not yet been fully exhausted.
- Yellowish solution: the descaling effectiveness has been exhausted and a fresh dose is required for the next cycle.
If the solution remains pink-red after the cycle has finished, the manufacturer states that its remaining descaling effectiveness may be used immediately on another suitable appliance. Do not reuse the solution once it has turned yellowish. Never pour used solution back into the original container, and always follow the instructions supplied with the appliance.
Which coffee machines and appliances is the descaler suitable for?
WoldoClean is primarily intended for the regular maintenance of coffee and espresso machines. It is suitable for bean-to-cup, manual espresso, capsule and filter coffee machines. Subject to the appliance manufacturer’s instructions, it may also be used in other appliances and on suitable surfaces affected by hard-water deposits.
- bean-to-cup coffee machines,
- manual espresso machines,
- capsule and filter coffee machines,
- electric kettles,
- steam ovens and steam generators,
- steam cleaners and steam ironing stations,
- dishwashers and washing machines, provided their manufacturer permits the use of a liquid descaler,
- taps, shower heads and other suitable surfaces affected by limescale.
The product is listed as compatible with De’Longhi, Jura, Miele, WMF, Saeco, Tassimo, Cafissimo, Krups, Senseo, Philips, Dolce Gusto, Nespresso and other popular brands. The instructions for your particular appliance model should always take precedence.
How much liquid descaler should you use in a coffee machine?
The recommended dilution ratio is 1:4 – one part descaler to four parts water. For one standard descaling cycle, use 125 ml of concentrate with 500 ml of water, unless the appliance manufacturer specifies otherwise.
- Read the coffee machine manufacturer’s descaling instructions before you begin.
- If there is a water filter in the tank, remove it in accordance with the coffee machine instructions.
- Pour 125 ml of descaler into the water tank.
- Add 500 ml of water.
- Start the automatic descaling programme and follow the instructions shown by the machine.
- If the machine does not have an automatic programme, run the prepared solution through it as directed in the appliance manual.
- The descaler manufacturer recommends a contact time of approximately 5 to 10 minutes, unless the appliance instructions specify a different procedure.
- Once descaling is complete, rinse the water tank thoroughly.
- Run one or two full tanks of clean water through the machine, or follow the rinsing procedure specified by its manufacturer.
Dilution and application instructions may differ for other appliances. Always follow the directions provided by the manufacturer of the appliance you are cleaning.
Coffee machine descaler or cleaning tablets?
Liquid descaler and cleaning tablets tackle two different types of build-up:
- Liquid descaler: removes limescale and mineral deposits from the internal water circuit.
- Cleaning tablets: remove coffee oils, greasy deposits and organic residue from the brewing system.
For thorough bean-to-cup coffee machine care, the two cleaning processes complement one another. You may also wish to view our phosphate-free coffee machine cleaning tablets.
More cleaning products for appliances and the home
Explore more products for maintaining kitchen appliances, kitchens and bathrooms in our cleaning products category. You can also browse the complete WoldoClean range or discover more products for the home.
How to use liquid descaler safely
The concentrate causes skin irritation and serious eye irritation. Wear protective gloves and eye protection when handling it. Avoid contact with skin and eyes, and never mix it with other cleaning products. Only use it on materials suitable for acidic descaling.
Frequently asked questions about WoldoClean descaler with colour indicator
What is the difference between the pink-red and clear WoldoClean descalers?
Both versions are 2-in-1 descalers. The pink-red version has a colour indicator that lets you monitor the solution’s remaining descaling effectiveness and is available in both 750 ml and 5-litre sizes. The clear version does not have a colour indicator. Its 750 ml formulation also includes a corrosion inhibitor that helps protect delicate coffee machine components and internal pipework.
What does 2-in-1 cleaning and descaling mean?
It refers to loosening mineral build-up and removing limescale from the internal water circuit in a single maintenance cycle. The product does not replace cleaning tablets designed to remove coffee oils from the brewing system.
What does it mean when the solution turns yellowish?
A yellowish colour indicates that the solution’s descaling effectiveness has been exhausted. Prepare a fresh dose before starting another descaling cycle.
Is the descaler suitable for De’Longhi, Jura and Nespresso coffee machines?
Yes. The product is listed as compatible with these and other popular brands. Always check the instructions for your particular model and follow its specified descaling programme.
How often should you descale a coffee machine?
The required frequency depends on the hardness of your water, the number of drinks you prepare and the machine’s settings. Follow the machine’s descaling alert or the interval specified by its manufacturer.
Does liquid descaler also remove coffee oils?
No. The descaler is primarily intended to remove limescale and mineral deposits. Coffee oils and greasy deposits in the brew unit should be removed using dedicated coffee machine cleaning tablets.
Additional parameters
| Category: | Cleaning agents |
|---|---|
| EAN: | Choose variant |
| Manufacturer: | Woldoshop GmbH |
| Manufacturer address: | Oststraße 64–70a, 22844 Norderstedt, Germany |
| Country of origin: | Germany |
| Volume: | 750 ml / 5 l |
| Product form: | Pink-red liquid concentrate with colour indicator |
| Application: | Descaling the water circuit of compatible coffee machines and household appliances |
| Dilution: | 1:4 – 125 ml concentrate in 500 ml water |
| Yield: | Up to 6 cycles (750 ml) or 40 cycles (5 l) at 125 ml per cycle |
| Colour indicator: | The pink-red solution turns yellowish when its descaling action is exhausted |
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All-purpose has its limits. WoldoClean goes beyond everyday cleaning tablets with dedicated products for coffee machines, robot mops, ovens and kitchen surfaces. Coffee oils and limescale require different cleaning products, just as everyday grime and baked-on grease do.
Inside the WoldoClean range
- Cleaning, in tablet form – 40 all-purpose tablets make up to 200 litres of cleaning solution, depending on dilution. Separate dissolvable toilet tablets are formulated for ceramic toilet bowls.
- Two sides of coffee machine care – phosphate-free tablets remove coffee oils from compatible brewing units, while the liquid descaler targets mineral deposits in the water system.
- Floors and tougher surfaces – a concentrated cleaner for compatible robotic mops, diluted at 15 ml per 300 ml of water. For baked-on cooking grease, there's a separate oven and grill cleaner supplied with an application brush.
- Everyday surface cleaning – an orange-scented concentrate for suitable kitchen surfaces, extractor hoods and floors.
Browse the cleaning products available at PraveBio. Check the label before use: some specialist cleaners are corrosive and require protective gloves and eye protection.
