Happy Coal Water Filter 120g

This charcoal filter absorbs heavy metals, chlorine and impurities for a 2 litre capacity of water. It is the purest charcoal on earth and effectively removes unpleasant taste. 120g.

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you are making a difference:

  • The Japanese Holm Oak is harvested carefully for the Binchotan; artisans only cut off selected branches, leaving the trees alive and healthy.
  • Once the charcoal can no longer filter water, it can be crushed and returned to to soil, to fertilise and hydrate your garden.
  • Biodegradable and 100% responsible packaging, 100% recyclable.


  • Kishu Binchotan produces the highest quality charcoal in the world, handmade in the Wakayama prefecture in Japan and is made from Japanese Holm Oak.
  • Binchotan charcoal has the highest carbon percentage, up to 98%.
  • The unique, ultra-porous structure is a powerful filter, and eliminates chlorine, heavy metals and impurities that cause unpleasant taste in water.
  • 120 grams of charcoal is enough to filter a 2 litre capacity of water.
  • Reuse for up to 2 months. Boil charcoal every 3 weeks to refresh and remove build-up.
  • Suggested use: put your Happy Coal filter in your water jug at home, to top up effectively throughout the day.

how to use:

  • Remove from packaging and place charcoal into boiling water and boil for 5 minutes to sterilise. Remove and cool.
  • Put charcoal into a water bottle. Use 60 g per 1 l of water. Fill with tap water. Warning - the charcoal is easily breakable - take care not to drop it. 
  • Leave for at least 5 hours to filter. For best results, leave overnight.
  • Enjoy clean, soft, delicious, alkalising water!
  • Once the filter is no longer effective, compost it in your garden.

dimensions / ingredients / materials:

120g / Binchotan charcoal.

Made in Japan.

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