Grow Room Help, Growing medium, Uncategorised

How To Use Coco Coir Blocks

Coco Coir Blocks

Coco Coir blocks are fast becoming one of our most popular mediums as they are small and ideal for new urban gardeners. However, not everyone knows how to use them. Below we’ll give you a step-by-step guide on how to prep and get the most out of the urban gardeners new best friend.

  1. When you first receive your Coco Coir Blocks you’ll notice that they are really hard, however, they fall apart easily when soaked. To do this efficiently you’re going to need a large, wide water tight container … like a bath or children’s paddling pool.
  2. Each block typically weights 1kg so when filling the container with water follow a 1 litre to 1 block ration. Once full, place your blocks of Coco Coir in the water and leave to saok for half an hour.
  3. After half an hour or so, check on your blocks progress. Check each block and if able to do so pull away the parts of the block that are hydrated. This will expose the inner layers of the block, making the re-hydration process quicker.
  4. After so long you’ll notice that the Coco Coir has become soggy, however, as more water is absorbed the product will gain a more natural texture. Once this happens and the block is completely broken up, you’re ready to start using it.

Coco Top Tips:

  • Because coir is sterile, it is a very good seed starting medium.
  • Coir improves water retention in soil that drains quickly.
  • As a re-purposed waste product, coir is a sustainable and environmentally friendly resource.
  • Coco can absorb up to 10 times its weight in water, meaning it helps keep plant roots hydrated.
  • As Coco Coir Blocks have little to no nutrients present in them when first bought, they are ideal for anyone who wants greater control over what they feed their plants’.


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