{"product_id":"professor-s-nutrients-coco-chips-blend-50-50-high-drainage-anti-compaction-substrate-50l","title":"Professor’s Nutrients - Coco Chips Blend (50\/50) – High-Drainage \u0026 Anti-Compaction Substrate (50L)","description":"\u003csection\u003e\n\u003ch3\u003eProfessor’s Nutrients - Coco Chips Blend (50\/50) – High-Drainage \u0026amp; Anti-Compaction Substrate (50L)\u003c\/h3\u003e\n\u003cp\u003eEngineered for growers who demand the absolute maximum level of root zone aeration without sacrificing moisture retention, Professor’s Nutrients Coco Chips Blend is a premium commercial substrate. This unique mix consists of an optimized 50% premium loose Coco Coir and 50% coarse Coco Chips—small, chunky sections of coconut husk that perfectly bridge the gap between peat and structural fibre. Acting like miniature sponges, these robust chips absorb vast amounts of water and dissolved nutrients while inherently resisting compaction. The resulting open matrix creates massive air pockets, facilitating exceptional drainage and allowing root networks to expand with total freedom.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e High-frequency automated irrigation, multi-year crops, heavy-draining run-to-waste systems, and large container pots where media compaction and waterlogging are constant risks.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChunky 50\/50 Anti-Compaction Formula:\u003c\/strong\u003e Combining equal parts fine coco coir and coarse coco chips creates a structured, highly porous root zone that will not settle, slump, or compact over long crop cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSponge-Like Nutrient Retention:\u003c\/strong\u003e The internal cellular structure of the coco chips absorbs water and liquid fertilizers deep inside the husk material, keeping moisture available to the plant while keeping the outer root zone highly aerated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Root Penetration:\u003c\/strong\u003e By eliminating tight compaction zones, roots can effortlessly push through the substrate, leading to a more expansive, dense, and energetic root system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Volume Air Porosity:\u003c\/strong\u003e The irregular shapes of the large chunks naturally form macro-porous air channels. This continuous supply of oxygen to the rhizosphere drives rapid vegetative growth and enhances total nutrient uptake.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashed \u0026amp; Pre-Buffered Baseline:\u003c\/strong\u003e Undergoes a strict, chemical-free washing and buffering process to purge excess sodium and potassium. Cation exchange sites are fully charged with Calcium and Magnesium to completely prevent early-stage nutrient lockout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Structural Longevity:\u003c\/strong\u003e Unlike perlite which can float to the top of the pot over time, coco chips remain evenly distributed from the top to the bottom of the container, ensuring uniform drainage for the life of the plant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Professor’s Nutrients\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume:\u003c\/strong\u003e 50 Litres (Loose Fill Bag)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposition:\u003c\/strong\u003e 50% Buffered Fine Coco Coir \/ 50% Coarse Coco Chips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Range:\u003c\/strong\u003e Hydroponically Stabilised Baseline (5.5 - 6.5)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEC Level:\u003c\/strong\u003e Ultra-Low Background Salt Content\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 100% Natural, Biodegradable, and Renewable Coconut Husk\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIrrigation \u0026amp; Substrate Management Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Run-to-Waste Advantage:\u003c\/strong\u003e Because this 50\/50 blend drains so exceptionally well, it is almost impossible to over-water. It is perfectly adapted for automated drip systems where you can feed multiple times a day to push your plants to their biological limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlushing Mineral Salts:\u003c\/strong\u003e Maintain a strict 10–20% runoff target during each liquid feed. The coarse chips hold onto clean moisture, and the runoff ensures that any old, concentrated mineral salts are swept out of the large air channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Orchid \u0026amp; Aroid Media:\u003c\/strong\u003e Beyond traditional hydroponic crops, this coarse blend is highly sought after as a premium standalone medium or potting amendment for moisture-loving but air-demanding plants like monsteras, anthuriums, and orchids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNutrient Pairing:\u003c\/strong\u003e Always pair this medium with a high-quality, 2-part **Coco Specific Nutrient** regimen to maintain the essential Calcium-to-Magnesium balance required by the coco substrate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For (Uses)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomated Commercial Hydroponics:\u003c\/strong\u003e Providing a long-lasting, stable substrate for large-scale, automated drip-irrigated facilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Mother Plants:\u003c\/strong\u003e Keeping mother plants healthy for months or years in the same pot without the medium breaking down or suffocating the root ball.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Soil Amendment:\u003c\/strong\u003e Mixing into dense, heavy organic garden beds to break up heavy clay and instantly introduce lasting aeration and moisture-holding pockets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"Holland Forge","offers":[{"title":"Default Title","offer_id":48423880097892,"sku":"4670","price":30.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/6487\/0244\/files\/ChatGPTImageMay16_2026_07_02_36PM.png?v=1778929377","url":"https:\/\/www.greenhousepolytunnels.com.au\/products\/professor-s-nutrients-coco-chips-blend-50-50-high-drainage-anti-compaction-substrate-50l","provider":"Greenhouse \u0026 Polytunnels","version":"1.0","type":"link"}