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Spreader Matting is used with all NFT systems. The matting is laid out on the surface of an NFT Top-Tray and should cover the entire grow surface. The job of this matting is to evenly distribute the nutrient solution over the growing surface whilst infusing it with oxygen, this will encourage a thick mat of roots to develop.
Simply roll out the mat and cut it to length, sometimes several runs may be required to cover the entire tray. Ensure these rows overlap slightly so that the whole surface is covered.