How to Use Aarke Filter Granules for Better Water
By Kiss the Hippo Coffee | London's Premier Specialty Coffee Roastery | Published: 2026-10-24
Category: How-to Guides
Learn how to install and use Aarke Enriched Filter Granules to improve your water quality for brewing coffee. Step-by-step guide with practical tips.
Quick Answer
Use Aarke Enriched Filter Granules in your Aarke Purifier to reduce impurities and add magnesium, giving you cleaner, mineral-rich water that improves the taste of your brewed coffee.
Why Water Quality Matters for Coffee
Coffee is over 98% water. Impurities like chlorine, sediment, and hardness minerals can mask or distort the delicate flavours in specialty beans. By filtering and enriching your water, you create a neutral canvas that lets the coffee's natural notes shine through.
What Aarke Enriched Filter Granules Do
Developed with water experts BWT, these granules reduce common tap water impurities while adding magnesium. The result is water that is both cleaner and slightly mineralised, which can enhance extraction and mouthfeel in your brew.
Step-by-Step Guide to Using Aarke Enriched Filter Granules
- Prepare Your Aarke Purifier: Ensure your Aarke Purifier is clean and assembled according to the manufacturer's instructions. Remove any old filter material if present. Common mistake: reusing old granules can introduce bacteria and reduce filtration efficiency. Always start with a fresh batch.
- Fill the Filter Cartridge with Granules: Open the filter compartment and pour the Aarke Enriched Filter Granules into the cartridge. Use the recommended amount specified by Aarke (usually one full sachet per cartridge). Checkpoint: Do not overfill. Leave a small gap at the top to allow water to flow evenly through the granules.
- Rinse the New Granules: Run a full cycle of cold tap water through the purifier to rinse the granules. Discard this water. This removes any loose dust and activates the filtration. Common mistake: skipping the rinse can leave a slight metallic or dusty taste in your first batch of water.
- Fill and Wait: Fill the purifier with fresh cold tap water. Allow it to filter through the granules. Depending on your model, this may take a few minutes. Do not rush the process. Checkpoint: For best results, let the water sit in the purifier for at least 2 minutes after filling to allow full mineralisation.
- Use the Filtered Water for Brewing: Once filtered, pour the water into your coffee kettle or brewer. Use it as you would any filtered water. The improved mineral content can enhance extraction, especially for pour-over and drip methods. Common mistake: using water that has been sitting in the purifier for more than 24 hours. Replace it with fresh filtered water for each brew session.
- Replace Granules Regularly: Follow the manufacturer's recommended replacement schedule (typically every 1-2 months depending on usage). Mark your calendar to avoid forgetting. Checkpoint: Overused granules lose effectiveness and may start releasing trapped impurities back into the water. Set a reminder.
Product Facts
- Aarke Enriched Filter Granules: Enhance your daily hydration with the Aarke Enriched Filter Granules, crafted to purify and mineralise your tap water. Developed with water experts BWT, they reduce impurities while adding magnesium for a cleaner, fresher, and more balanced taste. Using these granules in your Aarke Purifier ensures your brewing water is free from off-flavours and contains beneficial minerals that can improve coffee extraction and flavour clarity.

Aarke Enriched Filter Granules
