{"product_id":"hydrofarm-grow-t-gmc40l-clay-pebbles-40l-4mm-16mm-natural-clay-for-drainage-hydroponics-aquaponics","title":"Hydrofarm GROW!T GMC40l Clay Pebbles 40L – 4mm-16mm Natural Clay for Drainage, Hydroponics \u0026 Aquaponics","description":"\u003ch2\u003eGROW!T GMC40l clay pebbles — natural, stable media for diverse gardens\u003c\/h2\u003e\n\u003cp\u003eGROW!T GMC40l clay pebbles are crafted from 100% natural clay. They arrive clean and uniform, and their composition stays reliably pH-stable over time, offering predictable performance whether you’re growing in soil blends, coco coir, or hydroponic media. The pebbles’ rounded, porous shapes are designed for robust aeration and drainage, keeping the root zone breathable and allowing excess moisture to drain away freely. \u003c\/p\u003e\n\u003cp\u003eThanks to their unique structure and large surface area, these pebbles help foster a microbial-friendly environment around the root zone. This natural interaction can contribute to a sturdier baseline for many plants, while remaining aligned with diverse growing practices.\u003c\/p\u003e\n\n\u003ch3\u003eKey features for consistency and ease\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eExtremely stable in both pH and EC\u003c\/li\u003e\n  \u003cli\u003eMade from 100% natural clay\u003c\/li\u003e\n  \u003cli\u003ePre-washed to aid in stability\u003c\/li\u003e\n  \u003cli\u003eDrain freely and do not hold any excess water, providing good oxygen levels around the root\u003c\/li\u003e\n  \u003cli\u003eWill not float once fully wet\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eVersatile uses in a single media mix\u003c\/h3\u003e\n\u003cp\u003eGROW!T clay pebbles excel in multiple setups, making them a flexible choice for both home hobbyists and seasoned growers.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAeration of growing media — mix into coco coir, soil, or other substrates to improve air flow\u003c\/li\u003e\n  \u003cli\u003eDrainage — balance moisture while supporting drainage and oxygen movement\u003c\/li\u003e\n  \u003cli\u003eDecoration — attractive top dressing that enhances pots and helps reduce evaporation\u003c\/li\u003e\n  \u003cli\u003eHydroponics\/hydroculture — widely used in flood-and-drain, deep water culture, and drip-fed systems\u003c\/li\u003e\n  \u003cli\u003eAquaponics — compatible with integrated fish and plant systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePractical notes for use\u003c\/h3\u003e\n\u003cp\u003eEach 40 liter bag provides a stable, airy medium that resists compaction, helping you maintain consistent root-zone conditions across seasons. When used with other substrates, the pebbles can support a balanced moisture profile and reliable drainage, reducing the need for frequent medium adjustments. The natural earthy tone remains visually appealing as your system runs, while performance stays dependable across a variety of plant types.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the GROW!T GMC40l clay pebbles best for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They provide aeration, drainage, and a stable environment for hydroponic and aquaponic systems, while also offering decorative top-dressing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do these pebbles retain water or restrict root oxygen?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The pebbles drain freely and do not hold excess water, helping maintain good oxygen levels around roots.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":45738722656442,"sku":"B00MHQ0IHA","price":248.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/3536\/8890\/files\/hydrofarm-growt-gmc40l-clay-pebbles-bag.jpg?v=1774696771","url":"https:\/\/gardencanada.ca\/products\/hydrofarm-grow-t-gmc40l-clay-pebbles-40l-4mm-16mm-natural-clay-for-drainage-hydroponics-aquaponics","provider":"Garden Canada","version":"1.0","type":"link"}