Charcoal seems like one of the simplest things you can buy. We associate it with summer barbecues, fireplaces, and little more.
But charcoal has a surprisingly long history of practical uses around the home. Its porous structure makes certain types of charcoal useful for absorbing odors, reducing moisture, filtering impurities, and even helping around the garden.
That’s why videos claiming you can “boil charcoal and make money” attract so much attention.
Can boiling a few pieces of charcoal actually make you rich?
Of course not.
But there is a genuinely useful idea hiding behind the dramatic headline. With the right type of charcoal—and a little creativity—you can turn an inexpensive material into several practical household products instead of buying commercial alternatives.
Here’s what you need to know.
First, Not All Charcoal Is the Same
Before experimenting, this distinction is important.
The charcoal briquettes sold for barbecues may contain binders, ignition aids, or other additives. Some “instant-light” products are specifically designed to ignite easily.
Those aren’t appropriate for household beauty remedies, drinking-water experiments, or anything involving food.
For the ideas below, choose plain, untreated natural lump charcoal where appropriate—or commercially prepared activated charcoal when a particular use specifically calls for it.
And never burn charcoal indoors.
Burning charcoal releases carbon monoxide, an invisible gas that can be deadly in enclosed spaces.
With that understood, we can get to the interesting part.
Why Would Anyone Boil Charcoal?
If you’ve seen the viral trick, it usually begins with placing pieces of natural charcoal into a pot of water.
But boiling ordinary charcoal does not magically turn it into activated charcoal.
Commercial activated charcoal undergoes specialized processing that creates an enormous network of microscopic pores. Those pores dramatically increase its surface area.
Simply boiling lump charcoal in your kitchen cannot reproduce that process.
What boiling or washing plain natural charcoal can do is remove some loose ash, dust, and surface debris before using the pieces for certain non-food household purposes.
A Simple Preparation
You’ll need:
Several pieces of untreated natural lump charcoal
Clean water
An old pot reserved for non-food projects
First, rinse the charcoal thoroughly.
Place it in the pot, cover it with water, and gently heat it.
Afterward, allow everything to cool completely.
Drain the dirty water and rinse the charcoal again until loose surface residue has largely disappeared.
Then spread the pieces somewhere safe and allow them to dry completely.
Now you have cleaned pieces ready for several simple household projects.
And this is where things get more interesting.
Secret Use #1: Make Simple Odor-Absorbing Bags
This is probably one of the easiest ideas.
Charcoal’s porous surface can adsorb certain odor-producing compounds. “Adsorb” means molecules attach to its surface rather than being soaked into the material like water entering a sponge.
Take completely dry pieces of suitable charcoal and place them inside a breathable cotton or linen pouch.
You can then place the pouch in areas prone to unpleasant smells.
Try one near a shoe rack, inside a musty cupboard, or in another small enclosed space.
Instead of continually purchasing fragranced products that simply cover odors with perfume, charcoal provides a fragrance-free alternative.
Secret Use #2: Freshen Shoes
Older shoes can develop stubborn odors, especially after warm weather.
Make two small breathable charcoal pouches and place one inside each shoe overnight.
Remove them before wearing the shoes.
There’s no need to sprinkle loose charcoal powder directly into footwear—that simply creates a black mess.
The pouch keeps everything contained while exposing the charcoal to the surrounding air.
Secret Use #3: Help With Musty Cupboards
Cupboards that stay closed for long periods can develop that unmistakable stale smell.
A dry charcoal pouch can be placed toward the back of the cupboard.
For moisture itself, proper ventilation and fixing the source of dampness remain important. Charcoal cannot repair a leaking pipe or solve a serious mold problem.
But for small enclosed spaces that simply smell stale, this inexpensive trick can be useful.
Secret Use #4: Put Suitable Charcoal to Work in the Garden
Charcoal also has an interesting relationship with gardening.
You’ve probably heard of biochar, a carbon-rich material intentionally produced for agricultural use.
Proper biochar can influence soil structure, water retention, and nutrient dynamics.
Ordinary barbecue charcoal isn’t automatically equivalent to agricultural biochar, however.
If you want to experiment in your garden, use only untreated material that is appropriate for soil rather than charcoal containing lighter fluid, chemical ignition agents, or unknown additives.
Crushed suitable charcoal can sometimes be incorporated into compost before eventually reaching the garden.
The important point is moderation.
More charcoal doesn’t automatically mean better soil.
Secret Use #5: Create Rustic Decorative Pieces
Here’s where the “make money” part becomes a little more realistic.
Instead of selling boiled charcoal as some miraculous product, creative people can turn inexpensive natural materials into attractive handmade household items.
For example, charcoal pieces can be incorporated into decorative odor-absorbing jars or breathable fabric pouches.
Imagine a simple reusable linen bag with a neat label:
Natural Charcoal Closet Freshener
That’s a genuine physical product.
The same concept could be adapted for shoe cabinets, gym bags, storage cupboards, or other enclosed areas.
You’re not selling a miracle.
You’re turning an inexpensive raw material into something more convenient and attractive.
Could You Actually Sell Them?
Potentially, yes.
The value doesn’t come from boiling the charcoal.
It comes from presentation, convenience, craftsmanship, and packaging.
A bag of plain charcoal isn’t particularly exciting.
But several neatly sewn reusable cotton pouches filled with appropriate charcoal and packaged as closet or shoe deodorizers are a finished product.
If someone enjoys crafts, this could become a small weekend project for local fairs or online handmade marketplaces.
Just be accurate about what you’re selling.
Avoid claiming that the bags “remove toxins,” “kill every bacterium,” or purify an entire house.
A simple odor-absorbing product doesn’t need exaggerated promises.
Secret Use #6: A Refrigerator Odor Helper
Activated-charcoal products are commonly sold specifically for controlling refrigerator odors.
If this is your goal, the easiest option is actually to purchase food-area-safe activated charcoal designed for odor control rather than improvising with barbecue charcoal.
Place the product according to its directions in an area where air can circulate around it.
This can help control odors without adding artificial fragrance inside the refrigerator.
And because activated charcoal has far greater surface area than ordinary charcoal, it’s much better suited to this purpose.
What About Filtering Water?
This is one place where internet DIY videos can become misleading.
Yes, activated carbon is widely used in water filtration.
But that does not mean putting barbecue charcoal into questionable water makes it safe to drink.
Professional filters use specifically manufactured materials and controlled designs.
Charcoal alone cannot reliably remove every microorganism, chemical contaminant, or heavy metal.
So keep your homemade charcoal projects focused on safer household uses.
For drinking water, use a properly certified filtration system.
Don’t Confuse Charcoal With Activated Charcoal
This distinction is worth remembering.
Ordinary natural charcoal is carbon-rich material produced by heating wood with limited oxygen.
Activated charcoal receives additional processing designed to dramatically increase its internal surface area.
Think of ordinary charcoal as a building with several rooms.
Activated charcoal is more like an enormous building filled with thousands upon thousands of tiny interconnected rooms.
That microscopic structure is what makes activated carbon so useful for adsorption.
Boiling ordinary charcoal cleans its surface.
It doesn’t “activate” it.
The Cheapest Trick Is Often Reusing What You Already Have
Perhaps the best lesson here has little to do with charcoal.
We’re constantly encouraged to purchase a specialized product for every tiny household problem.
One product for shoe odor.
Another for cupboards.
Another for storage boxes.
Another for refrigerators.
Sometimes one simple material can perform several modest jobs.
And when it eventually reaches the end of its useful life, suitable untreated charcoal may even find another purpose in an appropriate composting or gardening system.
That’s the kind of household economy previous generations understood extremely well.
The Bottom Line
So, can you boil charcoal and make money?
Not quite in the miraculous way viral videos suggest.
Boiling ordinary charcoal won’t transform it into expensive activated carbon, and it certainly won’t create money by itself.
But inexpensive, untreated charcoal can become the starting point for practical household projects—from odor-control pouches and shoe fresheners to rustic handmade products and certain gardening applications.
And if you’re creative, those inexpensive materials can even be transformed into simple products worth selling.
Sometimes the “secret” isn’t discovering a miraculous chemical reaction.
It’s learning how to take something ordinary, give it a useful purpose, and stop throwing money at products you can easily replace.
That might not make you rich overnight.
But it’s certainly a smarter use for a humble piece of charcoal than most people ever imagine.
If you’re fascinated by unexpected uses for everyday items, you might also be intrigued by how prunes and garlic can benefit those over 50 or the surprising health benefits of tiny pumpkin seeds. And for another ancient practice with modern benefits, check out this article on oil pulling for oral health.
