Knowledge Base
What copper does for you, where it comes from and how to enjoy it every day.
What suits me?
How do I use it?
How do I care for it?
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What copper is, what has been measured on it and how to recognise the real thing.
- What does research say about copper? The studies per product
- What our copper products are made of
- How to recognise real copper: the complete buying guide
- Copper bottle: the benefits and the drawbacks, honestly side by side
- Why are more and more people worldwide choosing copper again?
Copper water and Ayurveda
The tamra jal ritual: fill at night, drink in the morning, and everything that goes with it.
- Tamra Jal: the Ayurvedic tradition of drinking water from copper
- Tamra jal in practice: how much, how long and in which vessel
- How many times a day should you drink from a copper bottle?
- Is copper water healthy? What copper does in your body
- Soft or hard water in a copper bottle: what water hardness changes
- Coffee and tea from a copper mug: what to watch out for
- The Ayurvedic tongue scraper: a centuries-old morning ritual
- Copper or stainless steel tongue scraper: what is the difference?
Body and material knowledge
What copper does in your body, what has been measured about bacteria and why the metal conducts so well.
- Copper and your body: what can you actually say? The 8 official EU claims
- Can copper really kill bacteria? The evidence, from the EPA to Southampton
- Why mitochondria need copper: energy at the cellular level
- Iron, copper and fatigue: the connection nobody tells you about
- Copper deficiency: how common is it really (and when should you pay attention)
- Copper on your skin: what has actually been measured
- Why copper conducts: from crystal lattice to 100% IACS
- 3500 years of copper as medicine: from the Edwin Smith Papyrus to now
- The French doctor who accidentally discovered that copper kept cholera away
Energy, shape and tradition
Pyramids, tensor rings, cubits and the traditions that give copper a place in the house.
- Shape Power: how form focuses energy, according to this tradition
- Pyramid energy: from a French trader to Russian fibre-optic giants
- How do you use a copper pyramid? Placement, alignment and ritual
- Tensor rings: who was Slim Spurling and what did he claim?
- Sacred Cubit, Lost Cubit and New Cubit: the measurements behind the tensor ring
- Using a tensor ring: where do you hang it?
- Torsion fields and 'The Source Field': the story behind Kozyrev and Wilcock
- Copper in Vastu Shastra and Feng Shui: where tradition places it
- Copper as the metal of Venus: love, harmony and attraction
- The copper bracelet: a centuries-old tradition
- Copper bracelet with or without magnets: which do you choose?
- Copper as a shield: from the MRI room to the lightning rod
Choosing and caring
Which size, smooth or hammered, what a price difference means and how to polish copper back.
- Buying a copper bottle: what to look for
- What size copper bottle do you need? From 300 ml to 1.4 litres
- Smooth or hammered copper: what is the difference?
- Maintaining a copper bottle: cleaning, polishing and storage
- Cleaning copper: baking soda, vinegar, lemon or citric acid?
- How do you keep copper shiny?
- The velvet pouch: what it is for and how to keep it clean
- 8 mistakes with a copper bottle
- Why is my copper turning green or black? (and is that a problem?)
- Dark spots inside your copper bottle: normal and safe?
- Why one copper bottle costs 30 euros and another 60
- Why copper got more expensive, and what that does to your bottle
- Copper vs. plastic vs. stainless steel: a fair material comparison
- Microplastics and your water bottle: what the material choice changes
- Four copper objects that outlived the centuries
- Why were people complaining about bad copper 4000 years ago?
Garden and electroculture
Copper antennas in the soil: where it comes from, what has been measured and how to place them.
- Electroculture: a centuries-old gardening tradition rediscovered
- Placing electroculture antennas: where, how deep and how many
- Electroculture in the Netherlands: from Andijk 1909 to your own vegetable garden
- Can insects sense electricity? What bees, caterpillars, and ticks reveal
- From two hundred hectares to a Soviet space station: electroculture without borders
All articles
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Which copper product suits you? From drinkware to the garden
A bottle for travelling, a bracelet to wear or copper for your garden? Find your starting point and compare with our five buyin...
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From two hundred hectares to a Soviet space station: electroculture without borders
While Europe was still experimenting, electroculture in Russia grew into two hundred hectares, an academic method using buried ...
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Can insects sense electricity? What bees, caterpillars, and ticks reveal
From a French idea in 1783 to Bristol's research today: insects turn out to genuinely perceive electric fields.
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Electroculture in the Netherlands: from Andijk 1909 to your own vegetable garden
From a garden attraction in Andijk to a trial by Philips in the Beemster: the forgotten Dutch history of electroculture.
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Dark spots inside your copper bottle: normal and safe?
Brown and black patches inside your new copper bottle after a single night? What you are seeing, whether it is safe to drink fr...
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8 mistakes with a copper bottle
A copper bottle asks little of you, but a few habits make all the difference. The eight things that go wrong most often, from c...
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Soft or hard water in a copper bottle: what water hardness changes
Is your tap water soft or rather hard, and does that matter for a copper bottle? What hardness is, why tap water and copper get...
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The velvet pouch: what it is for and how to keep it clean
A black velvet pouch comes with a good part of our range. What it is meant for, why velvet shows every fibre, and how to get it...
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Why copper got more expensive, and what that does to your bottle
Copper passed 12,000 dollars a tonne for the first time in December 2025. Where that demand comes from, why supply does not fol...
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Copper in Vastu Shastra and Feng Shui: where tradition places it
Two traditions, both with a compass in hand. What Feng Shui does with copper as the metal element, what Vastu does with directi...
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Why one copper bottle costs 30 euros and another 60
It is the same element in every case. Where the price difference does sit: measured purity, uncoated copper, food safety, what ...
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Is copper water healthy? What copper does in your body
Copper is a trace element your body works with every day, and Europe recognises eight official health claims for it. What that ...
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