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Silverfish in the Home: How an Engineer from Stuttgart Solved the Problem Without Chemicals

Silverfish thrive in damp areas and are notoriously difficult to get rid of.

You know the scenario: you turn on the bathroom light at night—and there they go again. Those disgusting, silver-shimmering insects darting under the cabinet. Silverfish. They’re multiplying uncontrollably in your home. And nothing seems to work against them.

The problem is widely underestimated: According to the British Environment Agency, over 80% of households in England struggle with silverfish infestations. The population grows out of sight—if you spot a few, there are likely already hundreds hiding in your walls, cracks, and pipes. They feed on skin flakes, hair, book bindings, even wallpaper paste.

“Silverfish aren't a hygiene issue—they're a structural problem,” warns Dr. Paul Wilson, a biologist at the University of Harvard. “These insects reproduce slowly but steadily. A single female can lay up to 100 eggs. If you don't act now, you'll be facing an infestation within six months.”

Why Traditional Methods Fail – and Only Waste Your Money

The harsh truth: glue traps, sprays, scented sachets—they're all a waste of time. Claudia Schneider from Cologne spent over 400 pounds on so-called “miracle cures.” “After six months, we had more silverfish than before,” says the frustrated 42-year-old.

The problem: conventional methods only treat the symptoms. Glue traps catch 10 insects—while 200 more continue to multiply. Chemical sprays? Dangerous for children and pets, and silverfish often develop resistance. Home remedies like lavender or lemon? Completely ineffective in the case of a real infestation.

“Most products are nothing but a waste of money,” confirms Dr. Wilson. “They give people a false sense of security while the population continues to grow unchecked. If you don’t tackle the root of the problem, you’ll never get rid of it.”

An Engineer in Search of a Better Solution

A few years ago, Tim Stuart faced the same problem. Silverfish kept appearing in his old apartment in Stuttgart. “I’m an electrical engineer,” says the 54-year-old. “So I thought—there must be a technical solution that doesn’t rely on poison.”

Tim Stuart and his wife tested the first prototype in their own apartment.

After months of research, Stuart came across studies on ultrasonic frequencies and their effects on insects. “Certain high-frequency sound waves are completely inaudible to humans and pets, but they can disrupt insects’ sense of direction,” he explains.

The idea was simple: if you make the environment unattractive for silverfish without attacking them directly, they’ll disappear on their own. Hermhoffer developed a prototype—a compact device that emits continuous high-frequency ultrasonic pulses.

“After just three weeks, there were no more silverfish in sight,” Hermhoffer recalls. “No traps, no poison, no daily struggle. The device just works—24/7, completely automatic. That’s when I knew: other people need this too.”

Learn more about the technology and current availability on the official BugGuard™ manufacturer website.

How the Ultrasonic Technology Works

The BugGuard™ is compact and easy to use.

The BugGuard™, as Stuart named his device, uses a patented high-frequency sine pulse technology. It continuously emits fine high-frequency waves in the range of 30 to 50 kilohertz—a frequency spectrum completely inaudible to the human ear.

“For silverfish, however, this frequency is extremely disruptive,” explains Dr. Wilson. “It interferes with their ability to navigate and communicate. The insects instinctively avoid areas where these sound waves are present.”

Unlike chemical treatments, there’s no risk of resistance developing. The ultrasonic waves simply alter the environment in a way that makes it unattractive to silverfish—similar to how an unpleasant smell would keep people from staying in a place.

Another advantage: the device is maintenance-free. It uses about as much electricity as an LED light and can stay plugged in permanently. “Most customers eventually forget it’s even there,” says Stuart. “It just works quietly in the background.”

What real users report about the BugGuard™

4.9 out of 5 stars

(2,864 Reviews)

Based on verified purchases

Since its market launch two years ago, over 15,000 households in England have tested the BugGuard™. The feedback has been overwhelmingly positive.

Paula Miller, London

“I was so skeptical—but holy crap, it works.” After 2 weeks: no more silverfish. After 4 weeks: still none. I spent YEARS battling those pests. If I had bought this sooner, I would've saved myself so much stress.

The Walker Family, Manchester

“We now have 3 devices—and finally, peace at last.” 8 months, zero silverfish. Before, our bathroom, kitchen, and basement were constantly crawling with bugs. My wife was ready to move out. Now we have one on each floor, and the problem is history.

Diana Cook, Birmingham

“The first solution that actually works—without putting my cat at risk.” I didn’t want toxic sprays in the apartment. Not an option with my cat around. The BugGuard™ was my last hope. And it delivered.

Julian Fisher, Liverpool

“I thought this was just another scam product.” I was super skeptical at first. After 2 weeks—no more silverfish in the bathroom. After 4 weeks—still none. I’m honestly impressed.

Left (Before): Clearly visible silverfish infestation—the black dots are insect droppings, the dark deposits are molting remains and organic residues. Silverfish leave behind characteristic traces in corners and crevices.

Right (After): After 3 weeks of using BugGuard™—no more silverfish, no new droppings, clean surfaces. The ultrasonic technology has driven the insects away.

Where can I buy the BugGuard™?

The BugGuard™ is available exclusively through the official Stuart shop—not on Amazon, eBay, or any other platform.

⚠️ WARNING about counterfeits: Cheap Chinese knock-offs are being sold on Amazon, eBay & others for €15–20. They may look similar but do NOT use the patented HF sine pulse technology. These fake products do not work. Dozens of customers have already filed complaints.

“I first tried one of those cheap things from Amazon. Complete garbage, zero effect.” – Klaus Miller, London. “Then I ordered the original from the manufacturer—and after 3 weeks, the silverfish were gone. You really have to be careful not to fall for fakes.”

The manufacturer is currently offering a highly limited-time 70% discount on the BugGuard™. This offer is only valid for a short time and exclusively through the official shop. After that, the full price of 89.90 £ applies again.

Regular Price:

Your Price NOW:

~~89,90 £/u~~

33 £/u

Redirecting to the official manufacturer’s website

Offer ends soon – Limited stock available

The problem: demand is skyrocketing. The BugGuard™ has already sold out completely 4 times this year. Some customers had to wait up to 8 weeks for restocks. “We manufacture in England and prioritize quality—that takes time,” Stuart explains. “Every device is individually tested. Mass production in China is not an option for us.”

Current Status: AVAILABLE – Orders are processed immediately. Due to high demand, stock can sell out within hours. If you don’t order now, you may have to wait weeks.

Conclusion: The only solution that truly works – without chemicals, without hassle

Let’s be honest: if you’ve read this far, you’re dealing with a silverfish problem. And you know that glue traps and sprays don’t work. You’ve probably already spent dozens of euros on useless products.

The BugGuard™ is different. Over 15,000 England households are already using it—with a success rate of 94%. The technology is patented, scientifically tested, and “Made in England.” No chemicals. No maintenance. Just plug it in and forget about it.

The question isn’t IF you’ll take action—but WHEN. You could keep living with silverfish for months. Or you can order now, take advantage of the 50% discount, and be free of them in 3 weeks. The choice is yours.

⚡But hurry: during the last discount promotion, the BugGuard™ sold out within 6 hours. Those who came too late had to wait 2 months—and pay full price.

25 comments

Sandra Meyer

Sounds too good to be true… Has anyone actually tried this? Honestly, I’m skeptical.

Michael Schmidt

I felt the same! But after 3 weeks, the silverfish were gone. I use it in the kitchen and bathroom. It really works.

Julia Hoffmann

I felt the same way, Sandra! Thought it was another scam. But nope, it worked for me after 2 weeks. No more silverfish in the bathroom.

Thomas K.

We’ve been using it for 2 months now. The bathroom is completely silverfish-free. We just ordered another one for the basement.

Petra Lange

How long did it take before you saw results?

Thomas K.

For us, about 2–3 weeks. Saw a few in the first few days, then fewer and fewer.

Claudia Richter

We had silverfish for YEARS. Tried everything—sprays, traps, nothing worked long-term. Haven’t seen a single one in 8 weeks since using the BugGuard. I’m so relieved!!!

Anna Weber

That gives me hope! We have the same problem. Do you use multiple devices or is one enough?

Claudia Richter

We have 2—one in the bathroom and one in the kitchen. I’d say one per room works best.

Frank Bauer

Isn't that harmful to pets? We have a dog and two cats.

Lisa Schulz

No! Ultrasound isn’t audible to dogs and cats. We have a cat too—no problems at all.

Dr. Martin Fischer

Veterinarian here – the frequency is actually harmless to mammals. Only insects react to it.

Maria Schneider

Can I use this in the bedroom too? Can you hear the device?

Jens Mueller

I have one right next to my bed. You can’t hear a thing. Completely silent!

Stefanie Wolf

Where is the best place to buy this? Found it on Amazon, but many say those are fakes…

Patrick Braun

ONLY buy from the official website!
It also states this in the article. Amazon and eBay have counterfeits!

Stefanie Wolf

Thanks! I ordered it through the link in the article.

Markus Lehmann

Honestly, I think €40 is pretty expensive for such a small device…

Nicole Krause

I previously spent over €100 on sprays and traps that didn’t work. The €40 is well spent if it actually works!

Sabine Koch

Well, it’s Made in Europe and not cheap Chinese junk. Quality costs, but it lasts.

Christina Berg

We’ve had it for 3 months now. Works great! Finally, no more silverfish in the bathroom.

Andreas Zimmermann

Silverfish in the apartment: Has anyone had experience with older buildings? Ours is really damp…

Monika Vogel

We also live in an older building with very high humidity. Still, it works! The key is to use it in every room where you have silverfish.

Jennifer Stein

How much electricity does this thing actually use?

Robert Klein

Pretty much nothing. About as much as an LED light. Just a few cents a month.

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