
Tell me what is worrying you, and I'll help you find the right approach.
Filter Authority helps UK households understand water concerns clearly — using plain English, recognised certification standards, UK-focused guidance, and real-world filtration experience.
Hear from Keith (2 mins)
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Tell me what brought you here, and I'll help you choose the right approach.
Baby formula, young children, or just peace of mind for your household.
👨👩👧👦 FAMILY PICK
iSpring RCC7AK — £325
RO system option (certification varies by exact model). Clear pros/cons, ongoing cost, and install reality.
You've read the news. You want maximum protection.
🛡️ MAXIMUM PROTECTION
Waterdrop G3P600 — £399
Reverse osmosis option with certification notes and what to verify before buying (model-specific).
Can't modify plumbing, or just want something simple and affordable.
💰 BEST VALUE
Waterdrop 10UA — £59
Under-sink carbon option for taste/odour (look for recognised certification where available).
Chlorine taste, weird smell, or just want it to taste like bottled.
👍 SIMPLEST SOLUTION
BRITA Marella Jug — £25
Improves taste/odour (chlorine). Simple, low-effort option.
Easy to use, minimal maintenance, protects your appliances and health.
✓ Easiest to use • ✓ No installation • ✓ Trusted UK brand
👴 EASIEST OPTION
BRITA Marella Jug — £25
No installation. Just fill and pour. Improves taste and reduces limescale buildup in kettles.
You've read about Thames Water, Brixham, PFAS. You want to take control of your family's water.
🔒 FULL CONTROL
Waterdrop G3P600 — £399
Gives you control at the kitchen tap — with verification steps and honest limitations.
You are probably here because something doesn't feel right about your water. Maybe it's the taste, the limescale buildup, a health concern, or you're making baby formula and want to be certain.
Perhaps you've read about sewage dumping, microplastics, or PFAS "forever chemicals" — and you're wondering: is MY tap water actually safe?
Those are all valid concerns.
Here's the reassuring part:
UK tap water is among the most regulated and tested in the world. By law, it must be safe to drink.
But "legally safe" and "perfect for your specific situation" aren't always the same thing. And there's nothing wrong with wanting the best for your family.
That's the gap I help you navigate.
Not with scare tactics. Not by recommending the most expensive system. But by understanding YOUR specific concern and finding the right solution — even if that solution is "you don't need anything."
Filter Authority is an independent UK water filtration resource designed to help you understand your water concerns before you buy anything. We explain UK water quality, show which filter types and standards matter for different problems, and help you work out whether you need a filter at all.
In-depth research into UK water companies, quality issues, and what they mean for your family.
Waterdrop under-sink vs BRITA jug — honest comparison of filtration performance, cost, certifications, and which suits your home.
Standard BRITA Maxtra Pro cartridges are not certified for lead removal. Here's what they actually filter and what you need instead.
Three of the most popular travel water filters compared head-to-head. Which one actually keeps you safe abroad?
A complete guide to protecting every tap in your home. From whole-house sediment filters to under-sink RO systems.
For nearly 20 years, I've worked hands-on with reverse osmosis, carbon, and resin water filtration systems — building, testing, and refining setups designed to produce reliably purified water.
Before that, I trained as an engineer and spent 25 years working with industrial filtration in demanding environments, where performance and real-world results mattered more than theory.
Filter Authority is where I translate that experience into clear, reliable guidance for UK households, helping people make calm, informed decisions based on certification standards, UK water regulations, and real-world filtration principles.
UK tap water is highly regulated, but "legally safe" is not always the same as "right for your situation". My goal is to help you find the simplest sensible fix for your specific concern — with honest trade-offs and no upsell.
Different concerns need different solutions. Start by understanding what's actually happening with YOUR water.
Pre-1970 home? You may have lead pipes. Here's how to check in 30 seconds, what the risks are, and which filters are certified to reduce lead.
Check your pipes"Forever chemicals" found in UK water supplies. What PFAS are, where they've been detected, and which filtration methods are certified to reduce them.
Understand PFAS riskMaking bottles for your infant? Here's when filtered water genuinely matters, what type you actually need, and what's unnecessary fear-mongering.
Read the guideConcerned about microplastics in drinking water? Here's what we actually know, what's still uncertain, and which filtration genuinely helps.
Separate fact from fearChalky buildup on your kettle? Hard water isn't a health risk, but here's when treating it makes sense (and when it's a waste of money).
Understand the optionsWater tastes or smells of chlorine? It's safe but unpleasant. A simple carbon filter solves this for under £25 — no expensive system needed.
See simple fixesSewage dumping. River pollution. Rising bills. Here's what that actually means for your tap water — and when it's worth filtering.
Get the factsPeople spending £360 on a comprehensive system when a £20 jug filter would've solved their problem.
Or buying a basic jug filter thinking "job done" — when it doesn't actually address what they're worried about.
It's like buying shoes as an illustration: You wouldn't buy a pair that's too loose and sloppy. You wouldn't buy a pair so tight your toes go numb. You'd buy a pair that actually fits.
Water filters work the same way.
The "best" filter isn't the most expensive one, or the one with the fanciest marketing.
It's the one that actually solves YOUR specific problem.
That might be:
I'll help you figure out which one fits.
A simple guide to which filter type usually suits which concern.
Best for improving chlorine taste and odour, with no installation needed.
A good middle-ground option for better taste, odour, sediment, and some chemical reduction.
Designed for broader reduction, but performance varies by model and certification.
Best for broader contaminant reduction, including concerns about lead, PFAS, fluoride, and microplastics.
Best for protecting appliances and treating water throughout the home, rather than just at one drinking tap.
Most UK homes do well with a simple under-sink carbon filter or a reverse osmosis system, depending on the concern. If you are worried about lead pipes or broader contaminant reduction, start by comparing certified under-sink and RO options carefully.