black-coir-briquette-1-seedmart-australia
Black Classic Coir Briquette (650g)
from $5.99 AUD incl gst Select options

Black Classic Coir Briquette (650g)

from $5.99 AUD incl gst

  • Compressed Coir Briquette expands into 65L of growing medium.
  • Sterile, nutrient-ready, and eco-friendly.
  • Ideal for seedlings, microgreens, hydroponics, and custom potting mixes.
  • Easy to hydrate, handle, and reuse.

Black Coir Briquette – Wrapped Growing Medium

The Black Coir Briquette is a high-quality, versatile and sustainable growing substrate that offers gardeners and growers a cost-effective way to start seeds, build custom potting mixes, and support vigorous root growth. These easy-to-handle compressed briquettes expand when hydrated, transforming into a fluffy and nutrient‑ready medium that’s ideal for seedlings, microgreens, hydroponics, and general gardening use.

Made from premium coconut husks sourced from sustainable plantations, Coir delivers excellent water retention and aeration—supporting healthy root development and improved foliage growth. The wrapped briquette format makes storage and transportation simple, while the compact size ensures minimal space usage until you’re ready to hydrate and use it.

Growers can use this classic coir on its own or combine it with perlite, vermiculite, compost, worm castings, and nutrients to build tailored potting mixes. Its neutral pH range and fine structure allow for fast‑growing microgreens and seedlings, and it pairs seamlessly with propagation trays and hydroponic mats for reliable, uniform growth.

Product Specifications

  • Pack Type: Individually wrapped briquette.
  • Weight per Briquette: ~650 g.
  • Structure: Fine coir with high pith content for superior water holding.
  • pH: 5.5–7.0 (neutral and plant‑friendly).
  • EC: 0.1–1.5.
  • Compression Ratio: ~4:1—briquette expands to a loose, airy medium when hydrated.
  • Reconstituted Volume: Between ~14–16 L per kg of coir.
  • Origin: Sustainably produced in Sri Lanka.

Whether you’re nurturing seedlings for your veggie patch or producing fresh microgreens for harvest, the Black Coir Briquette gives you a reliable and high-performance growing medium that is eco‑friendly, easy to use, and perfect for a wide range of horticultural applications.

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