Coconut Coir Growing Medium 650g Brick 10/Pack

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  • SKU: WFCOIR650P10
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Category : Coconut Coir Growing Medium


An abundant renewable resource for your garden!

Coir is a 100% natural and renewable resource. It helps develop more elaborate and stronger root systems as well as reduces root diseases. It expands 5 to 7 times in volume.

Each 650g brick yields approximately .325 cubic ft.

Ten 650g Bricks/Pack (approx. 3.25 cubic feet of coir)


Coir (from Malayalam kayar, cord) is a coarse fiber material extracted from the fibrous outer shell of a coconut. Coir is a 100% natural and renewable resource. It has spongy characteristics, possessing excellent air space and drainage with a water holding capacity of greater than 70%.

COIR is Chemically Balanced for Better Results

Helps develop more elaborate & stronger root systems. Ph balanced mixture easily holds and gradually releases nutrients to the roots. Saves on fertilizer by up to 30% compared to rock wool.

COIR is Disease Resistant

Significantly reduces root diseases. Doesn’t contain weeds, seeds, or pathogens.

COIR Makes the Highest Quality Potting Mix

High lignin (greater than 70%) and cellulose content prevents oxidation and shrinkage. Contains organic compounds unavailable in other hydroponic mediums. Replaces the use of sphagnum, and is superior to peat moss and rock wool for structural stability, water absorption and drainage, cation exchange capacity and electrical conductivity.


• Replaces peat moss, rockwool & perlite.
• Compressed bricks are easy to handle & store.
• Disease Resistant.
• Excellent air space & water holding capacity.
• pH Neutral.
• Holds between 8 & 10 times its volume in water.

Using Coir

Coir has many different uses. It is a good product to use to improve the flow of moisture in your gardens. It is also a great mulch and soil treatment, allowing you to turn clay and sandy soil into an effective growing medium. Coir can help control soil erosion and is a great bedding material for worm composters. It is also a great hydroponic growth medium which helps to facilitate seed germination. By adding one part coir to two parts top soil you can make a perfect growing media for container or potted plants.

The Difference Coir versus Peat Moss

Coir is a sustainably produced renewable resource that is free of bacteria and fungal spores. Coir lasts three times as long as peat moss. It is a natural by-product of coconut and is readily available. Peat moss can take five to ten years to reproduce making it a non-renewable resource.The pH levels of coir are very neutral, ranging from 5.8 to 6.8 whereas peat moss lowers the pH of surrounding soil.

What to do and what not to do with coir

A compressed brick, block or bale should be soaked in water for at least 15 minutes before using.

Coir can expand 5 to 7 times in volume. Make sure you have a large enough container when soaking your coir.

Coir can account for up to 40% of a potting mix, so add it to your soil or as an ingredient of your potting mixes.

Always keep the coir that you don't use. Coir is a material that will keep its properties and can be stored/covered for several years.

Coconut Coir Growing Medium 650g Brick 

Coconut Coir 650g Brick

Tested and Recommended By The National Home Gardening Club