Substrat Volcanique pour Bonsaïs (substitut de l'Akadama)
23,92 €
23,92 €
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Substrat Volcanique pour Bonsaïs (substitut de l'Akadama) Gravillon Volcanique Fin : le meilleur substrat pour bonsaïs et cactus. Disponible en 2 granulométries : 1-2 mm et 2-4 mm . Avec un pH stabilisé entre 5,5 et 6 , c'est un excellent support de culture.
Substitut de l'Akadama et améliorateur de nutriments : on entend souvent dire que l'Akadama est le meilleur substrat pour les bonsaïs. Ce substrat volcanique japonais a été utilisé depuis toujours dans la culture des bonsaïs, mais sa teneur en minéraux est bien inférieure à celle du gravillon de lave volcanique. Les deux sont d'origine volcanique , légers et poreux, et retiennent l'humidité, idéaux pour les bonsaïs et les cactus.
Cependant, le gravillon volcanique a l'avantage d'apporter davantage de minéraux : 27 % de silicium en plus , 12 % de calcium , 10 % de magnésium en plus , et 3 % de fer en plus . Le gravillon volcanique est supérieur à l'Akadama.
Il se décompose lentement au contact de l'eau d'arrosage, libérant des minéraux essentiels et des oligo-éléments comme le calcium , le magnésium , le fer et la silice . Ainsi, vos bonsaïs seront mieux nourris et de façon plus complète qu'avec de l'Akadama.
De plus, sa couleur rouge/brun/grenat met en valeur la beauté des bonsaïs, en ajoutant une touche esthétique unique.
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