"I couldn't believe how much healthier my garden looked after using these. The growth has been incredible."
David S.













The simple copper tool gardeners are adding to raised beds, pots, and backyard gardens.
Press it into the soil once and let it work all season — no maintenance required.
Package: Starter Garden Test Kit
60-day money-back guarantee + free US shipping on bundles
Garden Coverage Packs
✓ Starter Garden Test Kit - Best for first-time growers
• 5 Pure Copper Garden Antennas
• 5 Reusable Plant Markers
✓ Complete Raised Bed Kit - Best for raised beds
• 12 Pure Copper Garden Antennas
• 12 Reusable Plant Markers
• Quick Start Setup Card
• 60-Day Copper Garden Test Guide
• Raised Bed Placement Map
✓ Full Backyard Garden Kit - Best for full gardens
• 30 Pure Copper Garden Antennas
• 30 Reusable Plant Markers
• Quick Start Setup Card
• Complete 60-Day Copper Garden Test Guide
• Full Backyard Placement Map
• 60-Day Garden Progress Tracker
• Seasonal Setup Checklist
• Garden Planning Worksheet
• QR Setup Video
• Priority Email Support
• Free US Shipping
• 60-Day Money-Back Guarantee
Materials
Every antenna is solid 99.9% pure copper, with an 8mm rod base and a 4mm wire hand-wound into a tight coil at the top. Each one stands roughly 14 inches tall when planted and weighs about 4 ounces.
Ships from Indianapolis.
All orders are fulfilled and then shipped to anywhere in the united states in 2–4 working days on average.
Worldwide shipping (other than us) takes 5–10 working days depending on location:
Europe: 5–10 days
Australia: 5–10 days
United Kingdom: 5–10 days
Canada: 5–10 days
Rest of world: 5–10 days
All orders come with tracking information once shipped.
—————————
RETURNS
60-day money-back guarantee.
we pay return shipping in the us. full refund. no restocking fee. no questions asked.
How to return:
1. Email support@kleone-copper.com
2. We send you a free return label
3. Drop it at any usps, ups, or fedex location
4. Refund processed within 5 business days of receipt
Warranty on craftsmanship. if anything breaks under normal use, we replace it free of charge.
Pairs well with

Pure Copper Electro-Culture Garden Kit
100% Pure Solid Copper
Used by 10,000+
Free US Shipping
60 Day Money Back Guarantee
100% Pure Solid Copper
Used by 10,000+
Free US Shipping
60 Day Money Back Guarantee
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If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Choose your garden test kit
Each kit includes pure copper antennas, setup guidance, plant markers, and tracking tools so you can test electroculture in your own garden with confidence.
Best for pots, herbs, planters, or your first raised bed test.
5 antennas included
Recommended for raised beds, vegetable patches, and most backyard gardens.
12 antennas included
Best for multiple raised beds, greenhouses, or full backyard setups.
30 antennas included
What happens after you choose your kit?
Each Kypron kit gives you the tools and guidance to place your copper antennas, mark your test plants, and track how your garden responds over the next 60 days.
Pick the kit that fits your garden size — from pots to full backyard coverage.
Use the setup guide and placement map to position them around your plants.
Use the tracker and plant markers to observe, compare, and document your results.
Next, see exactly how the 60-day copper garden test works.
See How It Works ↓Most gardeners spend years buying fertilizers and additives without ever discovering this forgotten technique that dates back nearly a century.

Back in the 1920s, French researcher Justin Christofleau introduced a unique copper garden antenna and shared his findings with farmers across Europe. His ideas gained widespread attention, and thousands began experimenting with the method in their fields and gardens. Over time, changing agricultural practices and the rise of synthetic fertilizers pushed his work into obscurity. For decades, this little-known approach remained largely forgotten.

Your garden exists within a constantly active electrical environment. Copper's exceptional conductivity allows it to efficiently transfer naturally occurring energy between the atmosphere and the soil. The antenna acts as a bridge, creating a pathway that many growers believe encourages more vigorous plant development.

More than a century ago, pioneering scientist Sir Jagadish Chandra Bose demonstrated that plants react to electrical stimuli. His groundbreaking experiments revealed that plants are far more responsive to their environment than previously believed. The instruments he developed to study these responses became an important part of scientific history.

No wires. No maintenance. No complicated instructions.
Start with a single antenna for containers, a few for raised beds, or enough to cover your entire garden.
Insert the antenna into the soil where you want it. That's it.
Many gardeners report noticeable improvements within weeks. Once installed, it stays in place season after season with no additional work.
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Two identical pots. Same soil. Same seedlings. Same watering schedule. Same windowsill. One had a Klēone antenna planted beside it. The other didn't.
DAY 1
WEEK 6
We're not scientists. Two pots, one season, in our own backyard. The pots aren't even identical one's striped, one's black. We're sharing what we saw, not proof. Run your own test and tell us what you find.
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Six details from the original 1920 patent.
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A real timeline from one of our gardeners.
99% of them say they don't pull the antennas out after the first season
86% of our customers see bigger, healthier plants within 8 weeks
97% would recommend them to a friend or family gardener
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Within 4-8 weeks, gardeners report taller stems, fuller leaves, and more vegetables. The effect compounds. Season two beats season one. Season three beats both.
Research on the electroculture effect is ongoing. We share what gardeners observe, not laboratory proof.
Ours uses 99.9% pure copper, 14-gauge wire, wound clockwise to original 1920 spec, hand-wound in Indianapolis, on a cedar stake that lasts 5+ seasons.
One antenna covers roughly a 10x10 ft area. Most gardeners start with one per raised bed.
Any time of year. Most customers stake them in spring when planting, but they work just as well added mid-season.
Yes. They work in container gardens, raised beds, greenhouses, and indoor pots.
No. The antenna doesn't leach copper into the soil. It works by interacting with atmospheric and electromagnetic conditions.
The copper itself lasts indefinitely. The cedar stake holds up 5+ seasons before needing replacement.
Solid copper from base to tip. No plating. No alloy. The patina that develops in soil is the proof it's real.
Wound clockwise to Christofleau's original 1920 spec. Cedar stake from American wood. Inspected one at a time, not stamped on a machine.
Plant it 60 days. If it doesn't earn its spot in your soil, send it back. Full refund. Free US returns.