This European Standard describes a method of determination of length, width, height, volume and bulk density of rectangular pre-shaped growing media. In this standard """"pre-shaped growing media"""":- includes solid, regular shaped, stable growing media sold, which are ready for use as a growing media, where the dimensions and corners are stable, and the surfaces and edges are perpendicular to each other - including mineral wool and polyurethane products;- does not include solid growing media that has to be hydrated for it to form, varies in dimension with varying water content - for example coir or peat slabs or growing bags.The minimum linear dimension (