Black & Blum Charcoal Water Filter

Product code: 443778

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Product Description

The Binchotan charcoal water filter for use with Black & Blum Eau Good reusable water bottles is made from sustainably sourced wood and is renowned for its ability to soften water, add good minerals and absorb unwanted tastes and odours such as chlorine. One filter will last up to 6 months and during that time can be boiled to recharge if you notice a decline in taste.

The charcoal filters are suitable for vegans and pre-washed ready for use. Please note the filter is not suitable for use with flavoured drinks or tea.

The binchotan filter has many uses at the end of its life as a water filter too, you can break it up and add it to house plants to add nutrients to the soil. It can also be used as a deodoriser to remove unwanted odours in cat litter, a laundry basket, nappy bin or shoes. It is also an excellent wardrobe dehumidifier.

Made with sustainably soured wood
Length 12cm

Packaged in a recyclable cardboard box and vacuum foil
Made in Taiwan

Care Instructions

Your binchotan charcoal is already washed and ready to use. Please do not wash with detergent or soap.

Please make sure your bottle is filled up when placing your charcoal to avoid any breakages.


The Black & Blum Charcoal Water Filter product ethics are indicated below. To learn more about these product ethics and to see related products, follow the links below.

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About Black and Blum

Established over two decades ago by Dan Black and Martin Blum, Black+Blum is a UK-based eco-design company specialising in crafting durable food containers, drinkware, and accessories. The brand places a strong emphasis on innovative and sustainable design principles, ensuring that each product within its range is meticulously developed and constructed to endure the test of time. By focusing on enduring designs, Black+Blum actively promotes the reduction of food waste and single-use packaging, encouraging users to bring their own food and drink and make a positive environmental impact.

In line with their commitment to environmental responsibility, the company is a proud member of 1% for the Planet, pledging to donate one percent of their total annual sales to non-profit environmental causes. Additionally, Black+Blum supports City Harvest, a charitable organisation dedicated to supplying fresh, nutritious food to those in need. This support extends to various organisations, including food banks, community centres, and initiatives aiding children, the elderly, and individuals facing homelessness or domestic abuse.


  • Standard UK Delivery - £4.95
    Delivered via Evri courier. UK orders will normally be received within 5 working days. Choose this option if you're not in a hurry to receive your order and we'll use the most efficient delivery method possible.
  • Express Delivery - £7.95 (Only available for UK delivery)
    Delivered via DPD courier, requires a signature upon delivery. Delivery next working day for orders placed before 2pm (Mon-Fri). This method will require a signature, please ensure somebody will be available to sign. You will also receive tracking alerts via SMS/email from DPD to keep you updated on your delivery.
  • On orders over £50 standard delivery is FREE and next day delivery is only £5.95

Please see our Despatch & Delivery page for more information on delivery areas, services and charges.