Water2 Filter: The Complete UK Buyer’s Guide & Review
Introduction
If you’ve been researching ways to improve your tap water quality in the UK, chances are you’ve come across the Water2 filter. This under-sink filtration system, co-founded and endorsed by survival expert Bear Grylls, promises to remove a long list of contaminants while improving taste and odour — all without bulky countertop jugs.
In this in-depth Water2 filter review, we’ll look at how it works, what it really filters, installation tips, and how it compares to other water filtration systems on the UK market. Whether you’re seeking better-tasting tea, fewer microplastics, or extra peace of mind, this guide will help you decide if it’s worth the investment.
What is the Water2 Filter?
The Water2 filter is a compact, under-sink water purification system designed for home use. Unlike portable filter jugs like Brita or Aqua Optima, Water2 connects directly to your cold-water line, meaning every glass you pour from that tap is filtered instantly.
Key features:
Under-sink installation: Hidden from view, leaving your kitchen worktops clutter-free.
Fast filtration: No waiting for a jug to drip — filtered water flows as you turn the tap.
Long-life capsules: Filter replacements last up to 12 months, depending on usage.
UK-focused design: Tailored to local tap water conditions and plumbing setups.
How the Water2 Filter Works
At the heart of the Water2 filter is a multi-stage cartridge system designed to tackle both physical and chemical contaminants.
Filtration stages:
Sediment pre-filter – Removes dirt, rust, and particles from old pipes.
Activated carbon block – Reduces chlorine, pesticides, herbicides, and organic compounds that affect taste and smell.
Advanced nano-filtration – Targets bacteria, microplastics, cysts, and certain heavy metals.
Special media for fluoride and lead – Reduces specific chemicals that standard carbon filters often miss.
The brand claims removal rates such as:
99.99% bacteria & parasites
98% fluoride
85% lead
99.99% microplastics
95% chlorine
Note: These percentages come from the manufacturer’s testing. Independent lab results in the UK are still limited, so performance can vary depending on local water quality.
Installation & Maintenance
One of Water2’s selling points is quick, DIY-friendly installation.
Time required: Around 10–15 minutes with basic tools.
Skill level: Most homeowners can manage it without a plumber.
Space: Fits neatly under the sink without removing existing storage.
Maintenance tips:
Replace the filter capsule annually or when taste changes.
Run the tap for a minute after fitting a new filter to flush out loose carbon dust.
Keep an eye on water pressure — a sudden drop can mean it’s time for a change.
Performance & Filtration Capabilities
For UK tap water, which is already safe to drink by legal standards, the Water2 filter is more about enhancing water quality than making it drinkable from scratch.
Users report:
Fresher-tasting tea and coffee
Less chlorine smell
No more metallic aftertaste from older pipes
Peace of mind about microplastics and PFAS (“forever chemicals”)
However, a few reviewers have noted that performance can dip before the 12-month mark in high-usage households or in areas with particularly hard water.
Water2 Filter Review: Real-World Feedback
To keep this Water2 filter review balanced, here’s a summary of feedback from real UK users:
Positive experiences:
“The taste difference was instant — it’s like bottled mineral water now.”
“No more scum in my tea.”
“Installation was genuinely easy, even for a non-DIYer.”
Negative experiences:
“Chlorine taste crept back after 6 months.”
“Customer service was slow to respond.”
“Doesn’t soften water, so limescale in kettle is still a thing.”
Water2 Filter vs. Other UK Water Filters
When comparing the Water2 filter to competitors:
| Feature | Water2 | Brita Jug | Reverse Osmosis | Plumbed-in Multi-stage |
|---|---|---|---|---|
| Installation | Under-sink | None | Under-sink | Under-sink |
| Space required | Low | Countertop | Medium | Medium |
| Filtration depth | High | Low-Medium | Very High | High |
| Cost (annual) | ~£99 | ~£50 | £200+ | £100–£150 |
| Flow rate | Fast | Slow | Medium | Medium |
Verdict: Water2 offers a strong balance between filtration quality, convenience, and aesthetics — though it can’t match the total purity of reverse osmosis systems.
Pros & Cons
Pros:
Stylish, hidden installation
Quick, on-demand filtered water
Targets a wide range of contaminants
Long filter lifespan
Cons:
Not the cheapest option on the market
Effectiveness may decline before a year in some cases
Does not remove hardness (limescale)
Pricing & Value for Money
Starter kit: Around £129
Replacement capsule: £99/year
Guarantee: 100-day money-back trial
For a family of four, that’s roughly £2 per week for unlimited filtered water — cheaper than buying bottled water and with less plastic waste.
Who Should Buy the Water2 Filter?
The Water2 filter is ideal for:
UK households that want better-tasting tap water
People concerned about microplastics or chlorine
Tea and coffee lovers who want a cleaner brew
Homeowners who dislike countertop clutter
It’s less suited for:
Areas with very hard water (need a water softener instead)
Those wanting zero-TDS water (reverse osmosis is better)
FAQs
1. How long does the Water2 filter last?
Up to 12 months, though heavy use may require earlier replacement.
2. Does it remove limescale?
No, it doesn’t soften water — you’ll still see limescale in kettles.
3. Is installation really DIY-friendly?
Yes, most people install it in 10–15 minutes with no plumber needed.
4. Can it be used with a hot tap?
It’s designed for cold-water lines only.
5. How does it compare to a Brita jug?
It’s faster, more convenient, and filters a wider range of contaminants, but costs more upfront.
Conclusion
The Water2 filter is a sleek, practical solution for UK households looking to improve taste and reduce common tap water contaminants. While it doesn’t match the absolute purity of reverse osmosis, its convenience, stylish under-sink design, and year-long filter life make it a strong contender in the mid-premium range.
If your goal is better-tasting tea, less chlorine, and reduced microplastics without daily jug refilling, the Water2 filter could be a smart investment.
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