My dentist-approved water flosser is a total game-changer and it's £25 at Argos (2025)

It normally sells for £40 - but there's a way to get it cheaper

Anyone who's been to the dentist recently will know how much of a big deal dentists make about flossing. The NHS recommends that most people floss, not just to dislodge food, but also to reduce gym disease and prevent bad breath.

However, dental floss can be fiddly to use, and those tiny brushes always run out more quickly than you think they will making them expensive to keep replenishing. If you're looking for a more economical, permanent flossing gadget, you can currently get a fantastic water flosser from one of the best toothbrush brands on the market for less than £25 at Argos.

The Ordo Hydro Sonic+ Cordless & Rechargeable Water Flosser is normally sold for £40 at Argos, but we can drive that price down to £24.50 with a deal from TopCashback. Create a brand new account with this unique link and you'll be rewarded with £15 additional cashback on qualifying orders over £15 like this one.

The water flosser features a sleek matte grey design that would look right at home in any modern bathroom. It works by pressing a trigger on the back which shoots a jet of water into your mouth, irrigating between your teeth in the same way that floss tape would.

If you've used a water flosser before and found that you weren't a fan of how powerful the jet was, this Ordo model has three different settings to choose from. The water tank can hold up to 260ml of water before it needs to be refilled, which is good enough for several cleans throughout the week.

Once the battery runs out, it's recharged via a USB C port, so there's no need to keep around a proprietary charger like lots of toothbrushes. For those that want to take the gadget on the go with them, there's a travel lock to prevent it from activating in a bag.

While I haven't tried this water flosser from Ordo, I can wholeheartedly recommend its range of toothbrushes. I've been using the Ordo Sonic+ Toothbrush for over a year and really enjoy its sleek design, super long lasting battery and the deep clean it feels like it provides.

Amazon does also offer a few other decent alternative water flossers to the Ordo model though, like this one Glacd that's on sale for £16.99. Alternatively, this Hangsun water flosser comes with eight different jet tips and is on sale for £19.98.

Reviews of the Ordo water flosser sit at 4.4 stars at Argos with one reviewer writing: "This is an amazing water flosser. Bleeding from my gums when brushing teeth has reduced by 50%, and the water flosser leaves my mouth nice and clean no need for the string. Highly recommend.."

Another reviewer said: "I bought this a couple of weeks ago now after finding out my partner was on the verge of gun disease so thought time for an upgrade. We are both using this and the results and like leaving the hygienist!" A third wrote: "My first attempt was hilarious, more water on my bathroom mirror, than in my mouth, but you get the hang of it. It cleaned far better than my electric toothbrush on its own. Really giving a dentist quality cleanliness."

Other customers were less impressed, with one customer saying: "These are good features but in terms of day to day use the water tank is difficult to fully open for cleaning, as is the storage capacity, in fact this broke after only a matter of a few weeks so I returned the item."

Another disappointed shopper said: "It does take some getting used to though, and even then, you still find yourself mopping up the occasional splashes of water. And I agree with other reviewers that the component parts can be difficult to remove, which you have to do if you want to keep it hygienically clean."

How to get £24.50 Ordo Water Flosser at Argos

• To claim the new member bonus, new members of TopCashback need to sign up via this link
• Search for Argos and click ‘Get Cashback Now’
• Shop and checkout as usual
• Cashback will then track and appear in your TopCashback account within seven working days of your purchase