{"product_id":"cultiwool-stonewool-grow-blocks","title":"Cultiwool - Stonewool Grow Blocks","description":"\u003ch2\u003ePrecision-engineered stone wool grow blocks for strong, uniform root development from clone to harvest\u003c\/h2\u003e\u003cp\u003eCultiwool Original Growing Blocks provide a stable, steerable root environment for professional horticulture. A homogeneous fiber structure delivers uniform water distribution and a balanced air-to-water ratio, giving you predictable crop performance through every stage of cultivation. Manufactured in Europe from high-quality, RHP-certified stone wool with excellent dimensional stability.\u003c\/p\u003e\u003cp\u003eThe cross-groove base ensures efficient drainage and optimal oxygen availability in the root zone, while the integrated donut ring — a water chamber around the plug hole — promotes even irrigation and consistent EC and moisture distribution throughout the block.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e\u003cbr\u003e4\" x 4\" x 2.5\" · 4\" x 4\" x 4\" · 6\" x 6\" x 4\" (with or without Donut Ring) · 6\" x 6\" x 6\" (with or without Donut Ring) · 8\" x 8\" x 8\"\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-groove base for efficient drainage and root-zone oxygen\u003c\/li\u003e\n\u003cli\u003eIntegrated donut ring for uniform EC and moisture\u003c\/li\u003e\n\u003cli\u003eHomogeneous fiber structure for even water uptake\u003c\/li\u003e\n\u003cli\u003eHigh dimensional stability through intensive crop cycles\u003c\/li\u003e\n\u003cli\u003eExcellent re-wetting capacity after dry-back\u003c\/li\u003e\n\u003cli\u003eClean, inert, pest-free substrate\u003c\/li\u003e\n\u003cli\u003eRHP-certified European stone wool\u003c\/li\u003e\n\u003cli\u003eSold by the case\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Global Garden Company","offers":[{"title":"4\" x 4\" x 2.5\" (216\/Case)","offer_id":52366621835575,"sku":"GG-640015","price":179.95,"currency_code":"USD","in_stock":true},{"title":"4\" x 4\" x 4\" (144\/Case)","offer_id":52366621868343,"sku":"GG-640020","price":189.95,"currency_code":"USD","in_stock":true},{"title":"6\" x 6\" x 4\" w\/ Donut Ring (64\/Case)","offer_id":52366621901111,"sku":"GG-640025","price":194.95,"currency_code":"USD","in_stock":true},{"title":"6\" x 6\" x 4\" (64\/Case)","offer_id":52366621933879,"sku":"GG-640026","price":194.95,"currency_code":"USD","in_stock":true},{"title":"6\" x 6\" x 6\" w\/ Donut Ring (48\/Case)","offer_id":52366621966647,"sku":"GG-640030","price":189.95,"currency_code":"USD","in_stock":true},{"title":"6\" x 6\" x 6\" (48\/Case)","offer_id":52366621999415,"sku":"GG-640031","price":189.95,"currency_code":"USD","in_stock":true},{"title":"8\" x 8\" x 8\" (18\/Case)","offer_id":52366622032183,"sku":"GG-640032","price":134.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/0341\/5863\/files\/cultiwool-growing-blocks.png?v=1780754686","url":"https:\/\/www.blacklabelsupply.io\/products\/cultiwool-stonewool-grow-blocks","provider":"BLACK LABEL","version":"1.0","type":"link"}