9th June 2026
Can you turn a hose into a pressure washer with a cheap nozzle as some ads online say?
Some are genuine products, but many of the adverts—especially on social media—are misleading. The biggest red flag is the claim that a simple hose attachment can "turn any garden hose into a powerful pressure washer."
The short answer is: a hose attachment cannot perform like a real pressure washer.
Why not?
A true pressure washer works because it has an electric or petrol-powered pump that dramatically increases the water pressure.
Typical water pressures are:
Garden hose: around 2–4 bar (30–60 psi)
Domestic pressure washer: around 100–150 bar (1,500–2,200 psi)
Professional pressure washer: 200 bar (3,000 psi) or more
A nozzle attachment cannot create extra pressure. It can only make the existing water come out in a narrower jet.
Think of putting your thumb over the end of a hose. The water sprays further, but you haven't increased the actual pressure.
Why do the adverts look so impressive?
Many advertisements use misleading techniques, such as:
Showing footage of a real pressure washer while implying it is the attachment.
Editing videos to exaggerate the cleaning power.
Using surfaces that are already partly cleaned.
Making claims such as "No electricity needed!" or "Just like a £300 pressure washer!"
These claims can give a false impression of what the product can do.
What are they actually good for?
A quality spray lance or high-pressure nozzle can be useful for:
Washing cars gently.
Cleaning garden furniture.
Watering plants at different spray settings.
Rinsing patios and decking.
Cleaning windows and conservatories.
However, they are not suitable for jobs that need genuine high-pressure cleaning, such as:
Removing moss from paving.
Stripping algae from patios.
Cleaning heavily soiled driveways.
Removing old paint.
Cleaning brickwork or concrete.
Are they scams?
It depends.
Some companies sell exactly what they advertise: a metal spray nozzle for £10–£30. Those are legitimate products, provided the advertising accurately describes them.
Others become problematic when they:
Claim performance comparable to a real pressure washer.
Use misleading before-and-after videos.
Fail to deliver the product.
Make it difficult to obtain refunds.
Hide their contact details or business address.
Those practices can cross into deceptive advertising.
How to spot a trustworthy seller
Before buying, check:
Does the seller clearly state the maximum operating pressure and that it relies on your home's water pressure?
Are there independent reviews from reputable retailers?
Is there a UK return policy?
Does the company provide a physical address and customer support?
Does the advert avoid exaggerated claims such as "industrial pressure washing power"?
If the advert promises to clean thick moss, remove years of grime or strip paint using only an ordinary hose, you should be sceptical.
Is it worth buying?
If you want a better hose spray for light cleaning, one of these attachments may be worthwhile.
If you want the cleaning performance of a real pressure washer, you will need a machine with a pump. No hose attachment can overcome the limitation of your home's water supply pressure.
So the products themselves are not necessarily scams, but many of the advertisements are misleading because they imply the attachment can do something that is physically impossible without a pressure pump.