Better Home Water
Water filter guides
Find a practical starting point for choosing, maintaining and replacing a household filter.
Start with water and care for filtration purposes and maintenance, cartridges for fit and costs, or tap and under-sink choices for installation considerations.
Cartridge compatibility and running costs
- Water filter cartridge compatibility guide
- MAXTRA PRO Pure Performance vs Limescale Expert
- BRITA MAXTRA+ vs MAXTRA PRO
- Aqua Optima Evolve+ compatibility and PerfectFit key
- Genuine vs compatible water filter cartridges
- BRITA MicroDisc vs MAXTRA PRO
- BRITA Classic cartridge compatibility guide
- Doulton replacement filter identification guide
- BRITA ON TAP cartridge compatibility by generation
- Water filter running-cost calculator
Choosing a jug or dispenser
- Best water filter jugs for hard water in the UK
- Small water filter jugs for fridge doors: dimensions and measuring guide
- Large water filter jug vs dispenser: capacity, weight and refilling
- BRITA Marella vs Marella XL: which size suits your household?
- BRITA vs Aqua Optima water filter jugs: cartridges, capacity and costs
- BRITA Flow buying guide: capacity, shelf space and replacement filters
- Glass water filter jugs UK: options, weight and ongoing costs
- Aarke Purifier buying guide: refill granules, upkeep and ownership costs
- PHOX refillable water filter jug buying guide
- BRITA Marella vs Style: dimensions, indicators and everyday use
Filter care and common problems
- How often should you change a water filter jug cartridge?
- Why is my water filter jug filtering slowly? Air locks and other causes
- Black specks in filtered water: identifying the cause and next steps
- How to clean a water filter jug: body, funnel, lid and indicator
- How to reset BRITA Memo and Smart Light indicators
- How to prepare and fit a new BRITA MAXTRA PRO cartridge
- How to prepare and fit an Aqua Optima Evolve+ cartridge
- How to store filtered water in the fridge
- Leaving a water filter jug unused: holidays, storage and restarting
- Recycling water filter cartridges in the UK
Tap-mounted and under-sink filters
- Water filter jug vs tap-mounted filter vs under-sink system
- Best tap-mounted water filters for UK kitchens
- Will a tap-mounted filter fit your kitchen tap? Threads, adapters and exclusions
- BRITA ON TAP V vs Pro V-MF: differences and replacement costs
- Choosing an under-sink water filter in the UK
- Direct-connect vs separate-tap under-sink filters
- Under-sink water filter installation checklist: permission, fittings and installer questions
- Measuring under-sink space for a filter and cartridge changes
- Doulton HIP TRIO buying guide: configuration, space and maintenance
- How to replace a BRITA ON TAP cartridge
Water questions and choosing the right technology
- Do you need a water filter in the UK?
- Taste filtration vs limescale reduction: choosing for your actual concern
- Activated carbon vs ion-exchange water filters
- What a TDS meter can—and cannot—tell you about drinking water
- How to find and read your water supplier’s quality report
- Water hardness units explained: ppm, mg/L and degrees
- Chlorine taste in tap water: causes, checks and filtration options
- How to check water filter certification and contaminant-reduction claims
- Water filter vs water softener: what each changes
- Under-sink carbon filtration vs reverse osmosis
More jug brands and their replacement filters
- BRITA vs ZeroWater: filtration, cartridge life and ownership costs
- ZeroWater jugs and dispensers UK: choosing the right size and system
- ZeroWater cartridge compatibility: legacy filters vs newer Culligan systems
- BWT Penguin water filter jug: capacity, cartridges and everyday use
- BWT jug cartridge compatibility: sealed cartridges, refillable cartridges and granules
- BWT vs BRITA water filter jugs: cartridge choices and ongoing costs
- Philips Micro X-Clean water filter jugs: UK models and buying considerations
- Philips jug cartridge compatibility: matching Micro X-Clean filters to your model
- Aqua Optima Perfect Pour dispenser: capacity, shelf space and replacement filters
Gravity filters and ceramic-filter ownership
- Best gravity water filters for UK homes: systems, filter options and upkeep
- Gravity water filter vs filter jug: space, speed and daily use
- British Berkefeld 6L vs 8.5L vs 12L: choosing a practical size
- British Berkefeld Ultra Sterasyl vs Ultra Fluoride: differences and compatibility
- How to assemble and prepare a British Berkefeld gravity water filter
- How to clean a stainless-steel gravity filter: chambers, tap and seals
- How to clean ceramic water filter candles—and when to replace them
- Why is my gravity water filter slow? Water level, trapped air and blocked ceramic
- Gravity water filter leaks and overflows: finding the cause
Countertop RO and filtered-water appliances
- Best countertop reverse-osmosis water filters for UK homes
- Countertop RO vs under-sink RO: refilling, installation and daily maintenance
- Aqua Optima Aurora hot-and-cold dispenser: UK versions, capacity and upkeep
- Aqua Optima Lumi chiller: cooling, counter space and replacement filters
- BRITA Cube buying guide: temperature settings, tank capacity and filter costs
- Filtered hot-water dispenser vs kettle: convenience, temperature and electricity costs
- Chilled water dispenser vs fridge filter jug: capacity, cooling and cleaning
- How to descale a filtered hot-water dispenser: model-specific methods
- How to clean a countertop RO water tank and manage leftover reject water
Filter taps, replacement cartridges and fault finding
- GROHE Blue Pure buying guide: tap options, filter choices and installation requirements
- GROHE Blue cartridge compatibility: S, M and L sizes and specialist filters
- BRITA 3-way filter tap buying guide: space, installation and ownership costs
- BRITA P 1000 vs P 3000: compatibility, capacity and replacement clearance
- How to replace Waterdrop G3P600 filters: CF, CB and RO cartridges
- Tap-mounted water filter leaking at the adapter: seals, alignment and next steps
- Why is my tap-mounted water filter running slowly?
- Low flow from an under-sink water filter: cartridge, pressure and plumbing checks
- RO remineralisation cartridges: what they change, compatibility and replacement costs