{"product_id":"grodan-granulate-fine-20kg-bag","title":"Grodan Granulate Fine 20kg Bag","description":"\u003cdiv class=\"x_elementToProof\" data-olk-copy-source=\"MessageBody\"\u003eGrodan Granulate 20 kg Bag is a premium loose stone wool (rockwool) substrate designed for professional and hobby growers seeking superior water retention, excellent aeration, and consistent plant performance in hydroponic, soilless, and container growing systems.\u003c\/div\u003e\n\u003cdiv class=\"x_elementToProof\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"x_elementToProof\"\u003eMade from high-quality molten basalt rock and limestone, spun into fine, hydrophilic fibres, this ultra-clean and sterile granulate provides an inert, pH-neutral growing medium that gives precise control over nutrient delivery and root zone conditions. Offers outstanding moisture buffering while maintaining optimal oxygen levels around the roots—ideal for water-hungry crops or plants that demand uniform hydration.\u003c\/div\u003e\n\u003cdiv class=\"x_elementToProof\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"x_elementToProof\"\u003eKey Benefits:\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eExceptional water-holding capacity with rapid re-wetting properties\u003c\/li\u003e\n\u003cli\u003eSuperior aeration to promote healthy root development and prevent compaction\u003c\/li\u003e\n\u003cli\u003eSterile and pathogen-free—no risk of soil-borne diseases\u003c\/li\u003e\n\u003cli\u003eVersatile usage: perfect as a standalone medium in pots, containers, hanging baskets, or raised beds; excellent when mixed with perlite, expanded clay, coco coir, or peat-based substrates to boost moisture retention and improve structure\u003c\/li\u003e\n\u003cli\u003eSupports both recirculating and run-to-waste hydroponic systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"x_elementToProof\" role=\"presentation\"\u003eLightweight and easy to handle in the 20 kg bag (yields approximately 170 litres of high quality usable substrate)\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WHG - Wholesale Horticultural Group","offers":[{"title":"Default Title","offer_id":49929789014259,"sku":"HH-4741","price":270.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/1599\/4867\/files\/GrodanGranulate20kg.png?v=1784250203","url":"https:\/\/www.hydrohub.com.au\/products\/grodan-granulate-fine-20kg-bag","provider":"Hydro Hub","version":"1.0","type":"link"}