Gray EM® ceramic beads in bulk. Around 500G Grey ceramic beads will mainly act on limestone deposits. Compatible for carafes, bottles, flasks, coffee makers and kettles Details: - Weight: 1-2g/pearl - Filter up to 1.5L of water - Use 10 beads per liter of water - Minimum 10 years of filtering Manufacture: - Origin: Japan Characteristics: - Reduces calcareous deposits - Eliminates the taste of chlorine - Energizes water - Preserves minerals and trace elements - Improves the taste of water - 100% recyclable and compostable How do I use ceramic beads? - At the first use, put the pearls for 10 minutes in boiling water - Then let the pearls act for at least 10 minutes in the water to be filtered - Your water is purified! 1% of our turnover is donated to our partner NGO working for reforestation in the Amazon.