{"product_id":"kanuma","title":"Kanuma 3-5 mm - Japanese mineral substrate for bonsai and acid-loving plants","description":"\u003cp class=\"p3\"\u003eKanuma is a granular and porous substrate of Japanese origin, extracted from the area around the city of Kanuma, Tochigi prefecture, and obtained from natural deposits of volcanic peat. It is mainly used in the cultivation of bonsai and plants that require very good drainage and an acidic pH, being considered a reference substrate for acid-loving species.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIts light and porous structure creates an ideal environment for root development, offering an excellent balance between drainage, water retention, and aeration. Compared to akadama, Kanuma provides about 20% higher water retention while maintaining a high level of oxygenation at the root system.\u003c\/p\u003e\n\u003cp class=\"p3\"\u003eIts acidic pH, ranging between 4.5 and 5.5, makes it ideal for azaleas, rhododendrons, camellias, bonsai, and other plants that prefer an acidic and stable soil.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMain advantages\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eexcellent drainage, preventing excess water accumulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eacidic pH (4.5–5.5), suitable for acid-loving plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003egood water and air retention, without risk of compaction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eporous structure, with constant root aeration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003egood physical stability over time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003enatural, biodegradable, and ecological material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eRecommended for\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ebonsai, especially acid-loving species\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eazaleas, rhododendrons, camellias\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eplants that require acidic soil and very good drainage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003euse as a main substrate or in custom mixtures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"p3\"\u003eKanuma can be used both as a pure substrate and in combination with other materials such as akadama, pumice, or peat, depending on the species, climate, and grower’s level of experience.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAdditional information\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ebulk product\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003emanually packed in zip bags by our staff\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003eavailable in 2L bags (packed in the greenhouse)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ethere may be volume differences or variations due to porosity, compaction, moisture, or material density\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003ethese variations are normal for mineral substrates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Secret Garden Plant Shop","offers":[{"title":"2 liters","offer_id":56402622218566,"sku":null,"price":38.0,"currency_code":"RON","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/5551\/3798\/products\/kanuma_bonsai.jpg?v=1681468514","url":"https:\/\/sicretgarden.com\/en\/products\/kanuma","provider":"Secret Garden Plant Shop","version":"1.0","type":"link"}