The real reason fleas keep coming back, and what most cat owners never get told.
You followed the instructions. All of them.
The spot-on every month. The flea bomb when it got bad. Bedding stripped and washed hot, baseboards sprayed, carpets vacuumed until the machine complained.
And the fleas came back anyway.
Never enough to feel like an emergency. Just enough that your cat is never quite settled. She works at the base of her tail. She's up at 2am. She grooms for an hour instead of sleeping against your leg the way she used to.
So you tighten the routine. Another product, a shorter interval, a stronger dose.
And the fleas come back anyway.
This isn't an infestation. It's a war of attrition, and the arithmetic is against you.
Here's the part nobody explains: the problem isn't your routine. It's that most of what you've been handed was never built for the animal you're actually fighting.
Why the repeller you already bought did nothing.
You've probably tried one. A little white box, two-day delivery, a few hundred reviews that looked convincing enough. You plugged it in. Maybe the first week felt promising.
Then nothing. The fleas carried on and the box sat in the socket blinking its blue light.
Which is why most people conclude ultrasonic repellers don't work.
That conclusion is nearly right. Those particular devices don't work — not because the principle is broken, but because they were tuned for a completely different animal.
The generic units sold on marketplaces emit somewhere around 9 to 15kHz. That's mouse and rat territory. The manufacturers aren't lying: against rodents, they do something.
A flea hears far higher, roughly 25 to 66kHz. At 12kHz, a flea registers nothing at all. You may as well have left the socket empty.
Then there's the second flaw.
Even a device pitched in the right band goes quiet in effect if it holds one fixed note. Fleas acclimatise. Give them two or three weeks of an unchanging signal and they stop reacting to it — which is exactly why the better units seem to work, then don't.
So what actually holds?
A device pitched inside the band fleas genuinely perceive, that keeps moving within it. Nothing steady to settle into, so nothing to adapt to. The room stays inhospitable past week two instead of quietly reverting.
That isn't a better version of the thing you tried. It's a different category.
From attrition to quiet: a repeller pitched for insects, not rodents.
Most repellers run one mode at one frequency. Fleas adjust inside a fortnight and carry on as though the socket were empty.
Vitaxe runs four modes on a continuous cycle.
Silent ultrasonic (green light) — 25 to 66kHz. The insect band. A 150-second cycle that keeps shifting within the range, so there's no steady tone to acclimatise to.
High frequency (red light) — 9 to 15kHz. Rodent range, on a 6-second cycle, for the mice and rats that may be sharing the space.
Low frequency (yellow light) — 14 to 15kHz. A 25-second cycle that complements the rodent coverage.
Total mode. All three in rotation, covering 9 to 66kHz end to end.
The practical difference: where a marketplace unit sits on one fixed frequency in the rodent band, this sweeps the full spectrum and changes mode every few minutes.
Unpleasant for fleas. Inaudible to you. Nothing your cat can feel, and nothing she can lick off her own coat, because there's nothing on her and nothing in the air.
Two front speakers. Three LEDs for the active mode. Plugs straight into a wall socket and covers 200 to 500 square feet.
You plug it in. Then you forget about it.
SEE THE VITAXE REPELLERWhat fleas actually hear, and what the cheap devices do to them.
Human hearing runs from about 20Hz to 20kHz. Past that, you get nothing.
Mice and rats sit around 9 to 15kHz. That's precisely where the marketplace devices emit. They were designed for it, and against rodents they work.
Fleas and insects sit far higher, roughly 25 to 66kHz. A band those devices never reach.
Vitaxe covers both, sweeping from 9 to 66kHz.
What customers typically describe once it's running:
Days 2 to 3 — fleas start moving off their resting spots as the room stops suiting them.
Weeks 1 to 2 — activity thins out. Less scratching. You check her coat less often.
Weeks 3 to 4 — most people say they've stopped thinking about it.
"So where do the fleas actually go?"
It's the question we're asked most, and it's a fair one.
Vitaxe doesn't kill fleas. It makes the room somewhere they won't settle.
They don't die inside your walls. They move away from the signal — out of the treated rooms, off your cat.
That isn't a compromise. It's the mechanism.
Chemical treatments kill on contact, but they leave the eggs, larvae and pupae already sitting in carpet fibres and upholstery. Three weeks later a new generation hatches and you start over.
A room that stays inhospitable interrupts that loop instead, because nothing wants to feed and breed in it. And there's nothing to sweep up afterwards.
You won't watch them leave, which is why the first fortnight can feel like nothing is happening. What you notice by week three is the absence: no scratching, no coat checks, no low-level dread.
What people tell us after the first few weeks.
"Two years of spot-ons, foggers, everything washed at 60 degrees. The fleas were unbothered. Then I read about the frequency gap — that the units I'd been buying are silent to fleas. I had no idea. Week four I forgot to check her. That's when it landed. Took the 2+1 pack. Nothing since."
— Melissa A.
"I'd written ultrasonic off completely after two of them did nothing. Then I understood why: wrong frequency, wrong animal. By week four I'd stopped inspecting the carpet. That's the bit nobody mentions."
— Margaret H.
"No pets. Fleas from whoever lived here before. Sprays, bombs, a professional visit — nothing held, and I was changing my socks twice a day over the bites. Three weeks in, I haven't found one. The bites stopped before I noticed the fleas had."
— Diane T.
Why one device isn't enough.
Ultrasonic waves don't travel through walls. One device covers one room.
If the fleas are in the living room and the device is in the bedroom, they stay in the living room.
Covering every room your cat actually uses is the whole game, which is why the packs exist.
The 2+1 pack covers a one or two-bedroom flat. The 3+2 pack covers a house with no blind spots.
That's the option most people take, and it's the reason their results hold.
60 days. Full refund. No conditions.
You've almost certainly already paid for things that didn't deliver. The spray. The steam cleaner. The four-star box with three hundred reviews that did nothing at all.
Scepticism is the reasonable position here.
So: 60 days, refunded in full, no conditions attached. Not a clause buried under a product page — plug it in, give it a fair run, and if it isn't doing what you hoped, you don't pay for it.
You're not risking anything you haven't already lost on a can of spray that bought you a fortnight.
The only thing that's different this time is the frequency.
CHECK AVAILABILITYReader offer
Vitaxe sells the repeller through its own site only.
Step 1 — Order your pack while the current offer is running.
Step 2 — Plug one into each room your cat spends time in. It starts on the insect band straight away. No setup, no settings, nothing to apply to your cat.
Step 3 — Leave them running. By the second week there's less scratching. By the fourth, most people have stopped thinking about it.
No Sunday routine. No calendar reminders. No foggers. Just your house, minus the fleas.
Know someone who's been fighting this for years? The 3-device pack is a genuinely useful thing to hand over — for her, and for her cat.
Free shipping · 60-day money-back guarantee