{"title":"Grodan","description":"","products":[{"product_id":"grodan-gro-block-improved-gr6-5-small-4-w-hole-4-x-4-x-2-6-shrink-wrapped-strip","title":"Grodan Gro Block Improved GR6.5 Small 4\" w\/Hole, 4\" x 4\" x 2.6\" Shrink wrapped\/Strip","description":"\u003cspan style=\"font-size: 13px;\"\u003eThese state-of-the-art blocks have the optimal fiber structure and physical properties for crop uniformity.\u003c\/span\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465276207359,"sku":"RW286610","price":7.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/3989_4866_659d773f847755.37229782_RW286610.png?v=1777606385"},{"product_id":"grodan-gro-smart-tray-78-cell-terracotta","title":"Grodan Gro-Smart Tray, 78-Cell, Terracotta","description":"Your Grodan® Starter plugs, Mini-Blocks and Gro-Blocks have finally found a home. This durable Dutch tray has double-sided features. Use the 78-cell side to perfectly fit 1.5 in A-OK Starter Plugs or round Macroplugs. Use the mesh side for sheets of A-OK's, Mini-Blocks, or Gro-Blocks. The tray fits in a standard 10 x 20 flat and keeps the Grodan® elevated from the bottom of the flat. Easily sanitize as any hard-plastic product; even dish-washer safe! This terra-cotta colored tray was designed by Grodan® and is exclusively manufactured for the Grodan company.","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465276338431,"sku":"RW205002","price":18.56,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/4500_RW205002.jpg?v=1777495944"},{"product_id":"grodan-improved-gro-block-big-mama-8-x-8-x-8-no-hole","title":"Grodan Improved Gro-Block Big Mama, 8 x 8 x 8, no hole","description":"\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan Improved Gro-Blocks\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eLeverage the benefits of products developed alongside plant scientists, that are specifically engineered to deliver real results for your crops. Grodan Gro-Blocks Improved with Advanced Wetting Technology — Grodan's improved stone wool substrate.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eKeep it Real\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eReal Science\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro-Blocks Improved.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eReal Results\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eThe result of this scientific rigor is Grodan Gro-Blocks Improved with Grodan's Advanced Wetting Agent. In the scientific trials, plants grown in these new blocks had faster rooting-in, higher yields, improved quality, and less water and nutrient usage throughout the entire crop cycle.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eReal Improvement\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eThese leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity, more even Water Content (WC) and Electrical Conductivity (EC) distribution throughout the entire block, and the greatest steering capabilities available. Water distribution is more uniform throughout the entire block which is the basis for a well-defined root system with higher capacities for water and nutrient uptake to produce robust and vigorous crops.\u003c\/span\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465276961023,"sku":"RW109001","price":12.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/4303_4867_67c8ac788f2dc8.37911705_BigMama.png?v=1777495959"},{"product_id":"grodan-improved-gro-block-hugo-6-x-6-x-5-8","title":"Grodan Improved Gro-Block, Hugo 6\" x 6\" x 5.8\"","description":"Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums. Grodan Blocks - Grodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or \"blocking on\" of Macro and Multiblock raised plants. AO 36\/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab. Please Note: new case size is 64","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465277223167,"sku":"RW274999","price":5.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/2164_2207_5fe25bec17f187.09379568_HGC713087-01.jpg?v=1777495966"},{"product_id":"grodan-improved-gro-slab-36x8x3-w-3-4x4-pre-cut-holes","title":"GRODAN Improved Gro-Slab, 36x8x3 w\/3-4x4 pre-cut holes","description":"\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan Improved pre-cut Gro-Slabs are extremely versatile and lend themselves perfectly to cultivation. Blooming plants will show fast growth, uniform stem development and early setting.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan Improved pre-cut Gro-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, these Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast rooting and vigorous growth throughout the entire growing cycle improve plant health, better resilience, and higher yields. The improved slab structure and physical properties guarantee rapid re-saturation within a wide steering range.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eProduct Features\u003c\/span\u003e\r\n\u003cul style=\"box-sizing: border-box; margin: 0px 0px 1rem 15px; outline: none; padding-right: 0px; padding-left: 0px; list-style-position: initial; list-style-image: initial; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\t\u003cli style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003eMulti-plant and slab hole size options \u003c\/li\u003e\r\n\t\u003cli style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003eVertical fiber orientation\u003c\/li\u003e\r\n\t\u003cli style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003eInert hydrophilic fibre technology\u003c\/li\u003e\r\n\t\u003cli style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003eHigh re-saturation capacity\u003c\/li\u003e\r\n\t\u003cli style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003eUniform water distribution throughout the pre-cut Grodan Improved Uni-Slabs\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eKey Benefits\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eRetains sufficient water\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eThe Advanced Wetting Agent in all Grodan Improved Gro-Slab’s results in more uniform water distribution throughout the entire slab. As the slab retains sufficient moisture at all times the risk of plants drying out is minimized. The improved capillary action of Gro-Slabs also ensures that moisture is retained more evenly throughout the entire slab.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eEasy irrigation\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eThe properties of all Grodan Improved Gro-Slabs enable a multi-faceted irrigation strategy by allowing growers to vary the water volume within a safe range of between 55% and 78% (day level). If insufficient water has been supplied, the slab can be re-saturated quickly at any desired moment. And if too much water has been given, the slab’s properties will ensure that excess water is drained away efficiently to prevent the WC from rising too high.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eFast, uniform crop development\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eThe vertical, fibrous structure of all Grodan Improved Gro-Slabs enables roots to penetrate the slab easily, resulting in fast root development. Homogenous development in the root zone guarantees vigorous and uniform crop growth resulting in stronger, healthier plants. In addition, the firmness of the slab structure guarantees a stable root volume right up until the end of the cultivation cycle.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eExcellent Steerability\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eThe ability of Grodan Improved products to distribute WC and EC evenly throughout the slab volume creates optimal steering capabilities. Growers have more control of the plant’s balance throughout the crop cycle, allowing plant steering with precise adjustments of the WC and EC in the rootzone.\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003e\r\n\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder; color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eSustainable water and nutrient use\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\n\u003cspan style=\"color: rgb(85, 85, 85); font-family: opensans, Arial; font-size: 16px;\"\u003eStone wool fibres do not bind nutrients and do not require flushing at the start of the cultivation cycle. An initial targeted application of water and nutrients in the cultivation cycle enables sustainable water and fertilizer use. In combination with other management strategies, including GroSens and e-Gro tools that enable precision growing, Grodan Improved GroSlabs facilitate optimum crop steering for healthy plants and greater yields.\u003c\/span\u003e","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465277583615,"sku":"RW327258","price":8.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/4455_RW327258.jpg?v=1777495974"},{"product_id":"grodan-stone-wool-a-ok-starter-plugs-36-40-6-15-starter-cubes-1-5-x-1-5-30-sheets-of-98","title":"Grodan Stone wool A-OK Starter Plugs 36\/40 6\/15 Starter Cubes, 1.5\" x 1.5\", 30 sheets of 98","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder;\"\u003eGrodan A-OK plugs\u003c\/span\u003e are designed for seed and cutting propagation prior to \"blocking on\" into larger growing blocks. The V-shape design of the plug discourages tangling of roots between the plugs in the A-OK plug sheet. A-OK plugs come in a sheet that fits a standard 10x20 flat\u003c\/p\u003e\r\n","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465278271743,"sku":"RWAO3640","price":19.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/3340_2064_64272683640032.77469751_1.png?v=1777495989"},{"product_id":"grodan-gro-block-improved-gr10-large-4-w-hole-4-x-4-x-4-shrink-wrapped-strip","title":"Grodan Gro Block Improved GR10 Large 4\" w\/Hole 4\" x 4\" x 4\" Shrink wrapped\/Strip","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro-Blocks Improved with Grodan’s Advanced Wetting Agent. \u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\nThese leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity, more even Water Content (WC) and Electrical Conductivity (EC) distribution throughout the entire block, and the greatest steering capabilities available. Water distribution is more uniform throughout the entire block which is the basis for a well-defined root system with higher capacities for water and nutrient uptake to produce robust and vigorous crops.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003eNew and improved wetting agent and hydrophilic technology greatly enhances the water characteristics of Grodan Gro-Blocks Improved giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients.\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\nOptimized wool structure allows for faster rooting-in and nutrient solution replenishment, all while the Gro-Block Improved maintains its structure, firmness, and rigidity throughout the growing process.\u003cbr\u003e\r\n\u003cbr\u003e\r\nAvailable in 6 units Strips.\u003c\/p\u003e\r\n","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465278664959,"sku":"RW286612","price":16.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/4584_grodan-11.jpg?v=1777495999"},{"product_id":"grodan-gro-block-improved-gr10-large-4-w-hole-no-wrap-case-4-x-4-x-4-24-strips-case","title":"Grodan Gro Block Improved GR10 Large 4\" w\/Hole (NO WRAP) CASE 4\" x 4\" x 4\", 24 strips case","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder;\"\u003eGrodan Improved\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\nGro Block Improved GR10 Large 4\" w\/Hole 4\" x 4\" x 4\" Strip\u003c\/span\u003e\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\nGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro-Blocks Improved with Grodan’s Advanced Wetting Agent. \u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\nThese leading-edge blocks have the optimal fiber structure and physical properties for crop uniformity, more even Water Content (WC) and Electrical Conductivity (EC) distribution throughout the entire block, and the greatest steering capabilities available. Water distribution is more uniform throughout the entire block which is the basis for a well-defined root system with higher capacities for water and nutrient uptake to produce robust and vigorous crops.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003eNew and improved wetting agent and hydrophilic technology greatly enhances the water characteristics of Grodan Gro-Blocks Improved giving even better water distribution over the height of the block. This results in greater plant development and steerability and more efficient use of water and nutrients.\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\n\u003cbr style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003e\r\nOptimized wool structure allows for faster rooting-in and nutrient solution replenishment, all while the Gro-Block Improved maintains its structure, firmness, and rigidity throughout the growing process.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder;\"\u003e\u003cem style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px;\"\u003eNote: This item is for commercial use and is packaged as bulk, without retail wrapping or labeling.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465278992639,"sku":"RW286661","price":208.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/4448_RW286661.jpg?v=1777496006"},{"product_id":"grodan-delta-6-5-4-in-block-4-in-x-4-in-x-2-5-in-w-hole-6-u-pk","title":"Grodan Delta 6.5 - 4 in Block 4 in x 4 in x 2.5 in w\/ Hole (6 u\/pk)","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder;\"\u003eGrodan Blocks - \u003c\/span\u003eGrodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or \"blocking on\" of Macro and Multiblock raised plants. AO 36\/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e6 blocks per strip, 36 strips per case.\u003c\/p\u003e\r\n","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465279123711,"sku":"RWDM6.5","price":7.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/2306_2184_60341141474838.75044694_https___erply.s3.amazonaws.com_468707_pictures_461_5e55a3427b74b1.59805233_HGC713065.png?v=1777496014"},{"product_id":"grodan-delta-5-6-block-3-x-3-x-4","title":"Grodan Delta 5.6 Block, 3\" x 3\" x 4\"","description":"\u003cp style='box-sizing: border-box; margin: 0px 0px 15px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003eGrodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0px 0px 15px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: 700; font-stretch: inherit; font-size: inherit; line-height: inherit; font-family: inherit; vertical-align: baseline; zoom: 1;\"\u003eGrodan Blocks - \u003c\/span\u003eGrodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or \"blocking on\" of Macro and Multiblock raised plants. AO 36\/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab.\u003c\/p\u003e\r\n\r\n\u003cp style='box-sizing: border-box; margin: 0px 0px 15px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: open_sansregular, \"DejaVu Sans\", Verdana, Arial, sans-serif; vertical-align: baseline; zoom: 1; color: rgb(85, 85, 85);'\u003e8 blocks per strip, 48 strips per case.\u003c\/p\u003e\r\n","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465279385855,"sku":"RWDM5.6","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/2175_2183_600b4438389943.06756842_RWDM5.6.png?v=1777496026"},{"product_id":"grodan-delta-4-block-3-in-x-3-in-x-2-5-in-w-hole","title":"Grodan Delta 4 Block 3 in x 3 in x 2.5 in w\/ Hole","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003eGrodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth. Grodan comes in graduated sizes. Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired. Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; outline: none; padding: 0px; font-weight: bolder;\"\u003eGrodan Blocks - \u003c\/span\u003eGrodan Delta blocks are the most uniform blocks available on the market. They feature improved grooves at the base to promote better drainage. They are available in a large assortment of sizes and configurations to suit all types of plants. These growing blocks are used for direct sowing or \"blocking on\" of Macro and Multiblock raised plants. AO 36\/40 plugs fit well into the hole sizes provided by the blocks. The blocks can then be placed on top of a slab to provide for a larger growing volume. Hugo is the largest of the growing blocks. It provides enough growing volume to support a larger plant, so it does not need to be placed on top of a slab.\u003c\/p\u003e\r\n\r\n\u003cp style=\"box-sizing: border-box; margin: 0px 0px 20px; outline: none; padding: 0px; color: rgb(99, 99, 99); font-family: opensans, Arial; font-size: 16px;\"\u003e8 blocks per strip, 48 strips per case.\u003c\/p\u003e\r\n","brand":"Grodan","offers":[{"title":"Default Title","offer_id":48465279647999,"sku":"RWDM4G","price":9.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/files\/2174_2182_600b427a701e37.55290696_RWDM4G.png?v=1777496038"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0072\/8324\/5092\/collections\/Grodan.png?v=1780103457","url":"https:\/\/costaricahydroponics.com\/collections\/grodan.oembed","provider":"Pachamama Indoor Farming Culture","version":"1.0","type":"link"}