{"product_id":"alien®-rdwc-21-pot-20l-pro-silver-series","title":"ALIEN® RDWC 21 Pot 20L PRO Silver Series","description":"\u003cp data-start=\"46\" data-end=\"468\"\u003eThe ALIEN® RDWC 21 Pot 20L PRO Silver Series is a high-capacity recirculating deep water culture (RDWC) hydroponic system built for large-scale indoor growing and maximum production. By constantly circulating oxygen-rich nutrient solution through every plant site, the system creates highly stable root zone conditions that support rapid root development, fast vegetative growth and heavy flowering during the bloom stage.\u003c\/p\u003e\n\u003cp data-start=\"470\" data-end=\"1118\"\u003eWith a \u003cstrong data-start=\"477\" data-end=\"502\"\u003esystem volume of 330L\u003c\/strong\u003e and a large \u003cstrong data-start=\"515\" data-end=\"539\"\u003e280L CAMO® reservoir\u003c\/strong\u003e, growers can maintain stable pH and nutrient levels across the entire hydroponic system, helping prevent common grow room issues such as uneven growth, poor nutrient uptake and root stress. The system can be arranged within a \u003cstrong data-start=\"766\" data-end=\"800\"\u003eminimum footprint of 3m × 1.1m\u003c\/strong\u003e or extended up to \u003cstrong data-start=\"819\" data-end=\"835\"\u003e4.1m × 1.55m\u003c\/strong\u003e depending on the pipe layout and plant spacing. Designed around \u003cstrong data-start=\"900\" data-end=\"925\"\u003e50–60cm plant centres\u003c\/strong\u003e, this RDWC layout allows growers to run a shorter \u003cstrong data-start=\"976\" data-end=\"1006\"\u003e7–10 day vegetative period\u003c\/strong\u003e while still producing dense, uniform canopies and high yields in grow tents or dedicated hydroponic grow rooms.\u003c\/p\u003e\n\u003cp data-start=\"1120\" data-end=\"1536\"\u003eThe system uses the \u003cstrong data-start=\"1140\" data-end=\"1166\"\u003eJET-STREAM™ SILENT 2.0\u003c\/strong\u003e water pump, delivering up to \u003cstrong data-start=\"1196\" data-end=\"1209\"\u003e2150 L\/hr\u003c\/strong\u003e of circulation while using \u003cstrong data-start=\"1237\" data-end=\"1244\"\u003e32W\u003c\/strong\u003e, ensuring consistent nutrient movement through the entire system. For proper root oxygenation, the recommended \u003cstrong data-start=\"1356\" data-end=\"1376\"\u003eJET-200 air pump\u003c\/strong\u003e provides \u003cstrong data-start=\"1386\" data-end=\"1399\"\u003e200 L\/min\u003c\/strong\u003e of airflow at \u003cstrong data-start=\"1414\" data-end=\"1422\"\u003e210W\u003c\/strong\u003e, delivering the high dissolved oxygen levels required for vigorous plant health and strong flowering performance.\u003c\/p\u003e\n\u003cp data-start=\"1538\" data-end=\"1554\"\u003e\u003cstrong data-start=\"1538\" data-end=\"1554\"\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1556\" data-end=\"2109\"\u003e• Large-scale RDWC hydroponic system designed for serious indoor growing\u003cbr data-start=\"1628\" data-end=\"1631\"\u003e• Recirculating nutrient solution ensures consistent nutrient uptake across all plants\u003cbr data-start=\"1717\" data-end=\"1720\"\u003e• Promotes explosive root development and rapid vegetative growth\u003cbr data-start=\"1785\" data-end=\"1788\"\u003e• Supports heavy flowering, improved bud density and higher yields\u003cbr data-start=\"1854\" data-end=\"1857\"\u003e• Large central reservoir stabilises pH and EC levels\u003cbr data-start=\"1910\" data-end=\"1913\"\u003e• Powerful circulation pump ensures even nutrient distribution\u003cbr data-start=\"1975\" data-end=\"1978\" data-is-only-node=\"\"\u003e• High dissolved oxygen levels support strong plant health\u003cbr data-start=\"2036\" data-end=\"2039\"\u003e• Ideal for large grow rooms and commercial-style hydroponic systems\u003c\/p\u003e\n\u003cp data-start=\"2111\" data-end=\"2125\"\u003e\u003cstrong data-start=\"2111\" data-end=\"2125\"\u003eHow to Use\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"2127\" data-end=\"2930\"\u003e\n\u003cli data-start=\"2127\" data-end=\"2245\"\u003e\n\u003cp data-start=\"2130\" data-end=\"2245\"\u003ePosition the RDWC system in your grow tent or grow room according to the recommended footprint and plant spacing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2246\" data-end=\"2333\"\u003e\n\u003cp data-start=\"2249\" data-end=\"2333\"\u003eConnect all pots using the supplied pipework and link them to the CAMO® reservoir.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2334\" data-end=\"2459\"\u003e\n\u003cp data-start=\"2337\" data-end=\"2459\"\u003eInstall the \u003cstrong data-start=\"2349\" data-end=\"2375\"\u003eJET-STREAM™ SILENT 2.0\u003c\/strong\u003e water pump in the reservoir to circulate nutrient solution throughout the system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2460\" data-end=\"2588\"\u003e\n\u003cp data-start=\"2463\" data-end=\"2588\"\u003eConnect a suitable high-output air pump (such as the recommended \u003cstrong data-start=\"2528\" data-end=\"2539\"\u003eJET-200\u003c\/strong\u003e) to provide strong aeration to each root zone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2589\" data-end=\"2699\"\u003e\n\u003cp data-start=\"2592\" data-end=\"2699\"\u003eFill the reservoir with water and add hydroponic nutrients suitable for RDWC or other hydroponic systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2700\" data-end=\"2814\"\u003e\n\u003cp data-start=\"2703\" data-end=\"2814\"\u003eAdjust and maintain pH and EC levels based on plant stage, from vegetative growth through to the bloom stage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2815\" data-end=\"2930\"\u003e\n\u003cp data-start=\"2818\" data-end=\"2930\"\u003eMaintain stable water temperatures and strong aeration to maximise nutrient uptake, root health and final yield.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"2932\" data-end=\"2985\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"2932\" data-end=\"2946\"\u003eImportant:\u003c\/strong\u003e Air pump must be purchased separately.\u003c\/p\u003e","brand":"Hydro Crop Shop","offers":[{"title":"No Tank \/ No Pump","offer_id":52697148883210,"sku":null,"price":1445.0,"currency_code":"GBP","in_stock":true},{"title":"No Tank \/ With Pump (Jet Stream 950L PH)","offer_id":52697148915978,"sku":null,"price":1481.95,"currency_code":"GBP","in_stock":true},{"title":"280L Tank \/ No Pump","offer_id":52697148948746,"sku":null,"price":1610.0,"currency_code":"GBP","in_stock":true},{"title":"280L Tank \/ With Pump (Jet Stream 950L PH)","offer_id":52697148981514,"sku":null,"price":1646.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/grow-systems-alien-rdwc-21-pot-20l-pro-silver-series-29771944460472.webp?v=1773247063","url":"https:\/\/hydrocropshop.co.uk\/products\/alien%c2%ae-rdwc-21-pot-20l-pro-silver-series","provider":"Hydro Crop Shop","version":"1.0","type":"link"}