Coco fibre combines good water retention with plenty of air around the roots, which is why many growers use it for fast, controlled growth. Right now this collection holds the Supreme Coco Brick XL, a compressed brick that expands to about 50 litres of substrate once soaked. Hydrate the brick fully, loosen it up and, if needed, buffer it with a calcium-magnesium product before planting. Coco holds few nutrients of its own, so feed with a dedicated coco nutrient, such as the coco lines from Canna or Athena, and water little and often. Compare other media in substrates.
Questions & answers about Coco Substrates
All growing questions →- Medium & pots Soil, coco or hydro: what should a beginner start with? Soil is the most forgiving. Coco grows faster but needs feeding and pH checks every watering. Hydro is the most demanding. Read the answer →
- Medium & pots What's the best soil mix for growing indoors? Go for a light, airy, pre-fertilised mix with roughly 20–30% perlite so water drains and roots get air. Garden soil is a bad idea indoors... Read the answer →
- Medium & pots How often should I water in soil and in coco? Soil: water when the pot feels light and the top 2–3 cm are dry. Coco: water small amounts often, daily or every second day in bigger pla... Read the answer →
- Medium & pots Can I reuse my soil after a harvest? Yes, if the last plants were healthy. Break out the roots, mix in fresh compost or amendments, and let it rest before planting again. Thr... Read the answer →
