{"product_id":"stonewool-block-hole-75x75x65mm","title":"Stonewool Block (75x75x65)","description":"\u003cp\u003eYoung plants start strong with this \u003cstrong\u003e75×75×65mm Stonewool Block\u003c\/strong\u003e. Balancing excellent moisture retention with plenty of oxygen around developing roots, Stonewool creates the ideal environment for healthy root development and vigorous plant growth.\u003c\/p\u003e\u003cp\u003eUse block on its own or pair it with a \u003cstrong\u003e25×25×40mm Stonewool cube\u003c\/strong\u003e. The pre-formed planting hole is designed to accept a rooted cube, making transplanting quick and easy while minimising root disturbance as plants mature.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eWhy Growers Love It\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eSuitable For:\u003c\/strong\u003e Hydroponic growing, seedlings and rooted cuttings.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVersatile: \u003c\/strong\u003eUse alone in hydroponic systems or with Aqua Clay (LECA), perlite, coco coir and other hydroponic substrates.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUse It Your Way:\u003c\/strong\u003e Use block alone or insert a rooted \u003cstrong\u003e25×25×40mm Stonewool cube\u003c\/strong\u003e for easy transplanting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStrong Starts for Growing Plants:\u003c\/strong\u003e Holds moisture and air to encourage healthy root systems.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eAbout Stonewool\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eStonewool is made by melting basalt and limestone rock, then spinning into fine fibres \u0026amp; compressing into cubes, blocks or slabs. The result is a sterile growing medium that balances moisture \u0026amp; airflow for healthy root development.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eGetting Started\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePre-Condition:\u003c\/strong\u003e Soak block in pH 5.5 water before use (dissolves lime).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePre-Soak Time:\u003c\/strong\u003e 30 seconds to 30 minutes, until evenly moist.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDon't Squeeze:\u003c\/strong\u003e Especially when wet (can damage fibre structure).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWater During Light Hours:\u003c\/strong\u003e Only water when plants are receiving light - never in the dark.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWater Wisely:\u003c\/strong\u003e Keep Stonewool moist, not waterlogged. Overwatering reduces oxygen around roots \u0026amp; may result in algae growth.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHandle Safely:\u003c\/strong\u003e We recommend wearing gloves \u0026amp; a dust mask when handling dry Stonewool, as fibres may cause temporary skin or respiratory irritation.\u003c\/p\u003e\u003ch2\u003e\u003cstrong\u003eExplore the Range\u003c\/strong\u003e\u003c\/h2\u003e\u003cp\u003eOur \u003ca href=\"https:\/\/www.growandbrew.co.nz\/products\/stonewool-slab-25x25x40mm-100cubes?_pos=1\u0026amp;_sid=fe8d7805c\u0026amp;_ss=r\" title=\"Stonewool Slab (25x25x40mm) 100 Cubes\"\u003e\u003cstrong\u003eStonewool Slab (25×25×40mm) 100 Cubes\u003c\/strong\u003e\u003c\/a\u003e is designed to fit perfectly into this \u003cstrong\u003e75×75×65mm Stonewool Block\u003c\/strong\u003e. We also stock our \u003ca href=\"https:\/\/www.growandbrew.co.nz\/products\/stonewool-slab-40x40x40mm-36cubes?_pos=2\u0026amp;_sid=fe8d7805c\u0026amp;_ss=r\" title=\"Stonewool Slab (40x40x40mm) 36 Cubes\"\u003e\u003cstrong\u003eStonewool Slab (40×40×40mm) 36 Cubes\u003c\/strong\u003e\u003c\/a\u003e for growers looking for a larger cube option.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSmall start. Strong finish.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Grow \u0026 Brew","offers":[{"title":"Default Title","offer_id":41138520326196,"sku":"stonewool cube","price":2.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/7129\/5540\/files\/StonewoolBlock_75x75x65.png?v=1785374078","url":"https:\/\/www.growandbrew.co.nz\/products\/stonewool-block-hole-75x75x65mm","provider":"Grow \u0026 Brew","version":"1.0","type":"link"}