Pre-treated with Calcium and Magnesium these bricks are convenient for shipping as they are compact and lighter than full bags of media.
Specifically produced for the hydroponic market, these compressed bricks contain a low sodium coconut coir that expands in water. 5kg coco bricks expand quickly, they can be used as a single media or are often used with a mixture of clay balls. The bricks can be expanded in plain water or in nutrient solution for instant transplanting
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