Description
Gold Label Hydrocorn 45 Litre is a large-format bag of premium expanded clay pebbles — the same high-quality LECA used by professional hydroponic growers worldwide, supplied in a generous 45-litre volume ideal for setting up complete hydroponic systems, filling multiple flood and drain trays, or stocking a grow room with reliable, consistent aggregate substrate.
Gold Label’s Hydrocorn is kiln-fired from natural clay at controlled temperatures, producing pebbles with consistent particle size, a hard and stable outer shell, and an air-filled porous interior that makes clay aggregate so effective as a hydroponic root support medium. The expanded structure creates an excellent balance between drainage and minimal water retention, essential for hydroponic systems where root-zone oxygenation is the primary performance driver.
The pebbles are washed and quality-controlled before packing to remove fine particles and dust. Like all clay aggregate, Hydrocorn is chemically inert — it does not contribute or absorb nutrients from the feeding solution, giving growers complete control over the nutritional environment. It can be cleaned, sterilised, and reused across multiple grow cycles, making the 45-litre bag a long-term investment. Available at The Horticulture Company alongside the full Gold Label substrate and growing media range.
Browse the full range: Explore our Organic and Hydroponic Soils range, part of the wider Grow Media and Soils section at The Horticulture Company. Also in this range: CANNA TERRA PROFESSIONAL PLUS SOIL 50 LITRE, CANNA TERRA PROFESSIONAL SOIL 50 LITRE, GOLD LABEL COCO PERLITE 70/30, PERLITE.








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