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The popular akadama, used in Bonsai cultivation, can be used in mixtures for the cultivation of certain species of rare and especially delicate cacti. The mineral particles of akadama, which can be presented in different granulometries, have the exclusive property of being able to be fragmented by the roots of the plants , which gives the roots, which grow in this culture medium, to generate a wide network. with small rootlets that favor slow and compact growth as expected of bonsais. And in summary for the akadama we have: pH buffering. Prevents the accumulation of salts. The roots penetrate the particles and end up breaking them up. Improved structure. Not reusable. It degrades over time.

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Sand-sized material, the result of the weathering or degradation of the mineral called quartz from a metamorphic rock known as quartzite whose essential chemical composition is ONLY Silicon Oxide (SiO2), which is known as SILICE . It is an essential component, present in different quantities in all commercial substrates for cacti and succulent plants. The most used size is particles with a diameter greater than 0.6 mm, from a granulometric point of view. The three points to highlight about silica sand are: Its great DRAINAGE CAPACITY. It is a heavy material. But it gives stability to the mixtures. It is totally inert. Reusable.

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Perlite is a material that requires industrial manipulation despite being of volcanic origin. It is the mineral component with the lowest density, which makes it tremendously light . It is the most widely used component to facilitate the aeration of substrate mixtures. There are large deposits of this material in Italy, a nearby country where most of what is used in Spain comes from. Its affordable price, ease of handling and transportation and the fact that it is practically chemically inert and has a neutral pH, would give it preference in mixtures where a high percentage of mineral elements is sought, but without making the final substrate too heavy. Perlite has about 14% closed intraparticle pores, so its total* effective porosity would be 81.4%. As a summary of the perlite: Nº1 IN AERATION. THE GREATEST LIGHTNESS of all mineral ingredients. Lasts 3 - 4 years. It disintegrates into smaller particles over time.

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