KURO-Bō Activated Charcoal Kōins

(1 customer review)



KURO-Bō Activated Charcoal Kōins purify & mineralise your water when you’re on the go. Add them to a water bottle to naturally filter tap water, to improve taste, to remove E.coli & to balance pH. The simplest, most eco-friendly and affordable way to filter and mineralise tap water.

Fill your water bottle with tap water (up to 1L) and drop in the whole pack (4 – 5 kōins). They will start filtering the water immediately, although for best results leave for 2+ hours (550ml) or 3+ hours (1L). Top up as required. Want to learn more about what you can expect and how it works, please take a look at the frequently asked questions on the KURO-Bō website here. More information also available below.

KURO-Bō Activated Charcoal has been put through a range of scientific tests to evaluate its capacity for toxin, chemical and bacteria absorption and removal, as well as its ability to balance pH an enrich ordinary tap water with beneficial minerals – all with significant and exciting results. All tests were performed by A.L Abbott and Associates (Pty) Ltd, SANAS-accredited Specialists in Water and Waste Water Treatment – Reg. No.82/04379/07. See the proof here.

How to use

KURO-Bō is very easy to use. Watch this video here to see the four simple steps how to use and how YOU can turn your toxin-trapped tap water into pure, toxin-free water that is pH balanced and mineral-rich.

After activating your KURO-Bō stick or kōins, you will have to reactivate it after one month of daily use by simply boiling for 10 minutes as per the video. This opens the pores so your water tastes sweet and smooth. After the second month of daily use, reactivate your stick or kōins again and pop it straight back into your water dispenser. After three months, remove your KURO-Bō and either reactivate them once more if your water still tastes clean and refreshing. If not, use it in any number of the fantastically useful ways in the ‘End of Lifespan’ creative ideas below.

Keep track of your KURO-Bō kōins or stick’s lifespan by  signing up for easy and convenient “Monthly Reactivation E-Reminders” from the KURO-Bō home page.

End of lifespan

Time to recycle your KURO-Bō Activated Charcoal Kōins? Here are some simple and eco-friendly ideas:

Dehumidify your bathroom
Use it as a beautiful and organic air purifier
Keep it in your fridge or cupboards to keep them odour free
Break the stick up and put into your pet litter tray to remove odours
Add it to your aquarium to neutralise the pH of the water
Put it in your vegetable drawer to keep your veggies fresher for longer, or put into the fruit bowl to keep fruit from ripening too soon
Keep flowers fresher for longer
Break up your stick and bury it in your garden to balance the pH and remineralise your soil
Burn it on your braai
Use it in your bath for some well-deserved pampering (the charcoal mineralises, removes impurities from the water, and stimulates blood flow)
Deflect/ absorb electromagnetic and radio waves from computers, mobile phones and even microwaves in your home or at work
Use it as a unique and original décor piece
String up in the garden or window-frames for a delicately tinkling, Japanese-inspired wind-chime
Line up a collection of Sticks from longest to shortest for a wonderfully unusual xylophone like the Japanese tankin

What about the packaging?

These kōins come in a recyclable box and a corn starch bag. Please compost the bag and do NOT recycle with your curbside recycling. Corn-based plastics are compostable, but cause problems at recycling centers.  Polylactic acid (PLA) has different melting point properties and can therefore not be recycled with conventional petroleum-based plastics.  If you don’t own one of our Bokashi Food Waste Bins for composting at home yet, please cut the bag in strips and bury in your garden soil.

Please feel free to download this insert with more information here.

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1 review for KURO-Bō Activated Charcoal Kōins

  1. Gemma

    My family has been purchasing these charcoal filters for about a year. Instead of buying plastic-bottled water; we fill up a dispenser with tap water and insert a charcoal filter. We then fill our glasses/bottles etc from the dispenser. It seems to be the simplest and most sustainable option. Each piece of charcoal lasts for around 3 months, which means you only need to purchase 4 a year! I’d definitely suggest this option to my friends; especially during Cape Town’s drought.

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