Langwater TheWell 2 Countertop RO System (Blue, EU Model)

Do I need to buy mineral packs separately?

Yes, mineral packs are sold separately and are essential for proper operation. The system removes all minerals during filtration, so the Swiss-made LANGPAK mineral concentrates must be added back to create healthy, balanced water. Each pack contains calcium, magnesium and potassium, supports 250 litres of water and costs approximately 12 pence per litre to operate.

How often do I need to replace the filters?

The NSF58-certified reverse osmosis membrane lasts approximately 2 years or 3,000 litres, whilst the combined sediment/carbon filter requires replacement after 1 year or 1,500 litres. Filter lifespan varies depending on your water's TDS level. The system includes filter change indicators and will alert you when replacement is needed through the app or touchscreen display.

Can this system produce both hot and cold water?

Yes, the system provides precise temperature control including hot water up to 90°C on demand. You can select specific temperatures for different uses - ambient for drinking, warm for baby formula, or hot for tea and coffee. The instant heating eliminates the need for separate kettles or water heaters, providing convenience and saving counter space.

How much space does this unit require on my countertop?

The compact design measures 35cm length × 21cm width × 47cm height, making it one of the most space-efficient countertop RO systems available. At just 21cm wide, it fits easily on most kitchen counters without dominating the space. The unit weighs 9kg and requires only a standard electrical outlet - no plumbing installation needed.

What contaminants does this system remove?

The 4-stage filtration removes up to 99.9% of contaminants including heavy metals, microplastics, PFAS (forever chemicals), hormones, pharmaceuticals, pesticides, medicine traces, chlorine, bacteria and viruses. The NSF58-certified membrane handles dissolved solids, whilst UV sterilisation eliminates any remaining microorganisms. This comprehensive approach exceeds bottled water purity standards.

How does the flavour pack system work?

Optional natural fruit extract packs (lemon, orange, peach) can be added through the same liquid delivery system as minerals. Each flavour pack contains zero calories, sugar or sweeteners and produces 50 litres of naturally flavoured water. You can switch between flavours for each glass or choose unflavoured water. The instant liquid technology provides consistent taste without artificial additives.

Is installation complicated?

No installation is required - this is a true plug-and-play system. Simply place the unit on your counter, connect the power adapter, fill the reservoir with tap water and follow the initial setup through the app or touchscreen. The system includes self-cleaning features and requires minimal maintenance beyond regular descaling when alerted and filter replacement.

How efficient is this system compared to traditional RO units?

This system achieves 70% water efficiency with a 2.3:1 ratio, significantly better than traditional RO systems that typically waste 3-4 litres for every litre produced. The recirculation technology reduces waste whilst extending membrane life. Energy consumption is just 0.004 kWh per litre, making it both environmentally friendly and cost-effective to operate long-term.