The Water-Holding Capacity of Perlite - Perlite Institute

The natural size and unique structure of expanded perlite makes an ideal framework to hold water. Perlite holds water in one of three ways: in between individual grains, in channels leading to the cores of the grains and on the highly irregular surfaces of each particle (Fig. 1). The surface of perlite is made up of the outer convex shells Read More

Water Holding Capacity (%) of soilless media

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