{"product_id":"iws-autodrain-system-standard-pipe-small-trays","title":"IWS AutoDrain System — Standard Pipe \/ Standard Trays","description":"```html\n\u003csection class=\"gh-product-listing\"\u003e\n\n\u003ch2\u003eIWS AutoDrain System — Standard Pipe \/ Standard Trays — Hand-Watering Automation Without the Fuss\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Hand-watering growers who want automated runoff drainage and healthier roots without the complexity of recirculating systems\u003c\/p\u003e\n\n\u003cdiv class=\"gh-our-thoughts\" role=\"note\" aria-label=\"Our thoughts\"\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOur thoughts\u003c\/strong\u003e\u003cbr\u003e\nIf you hand water but hate the thought of plants sitting in stagnant runoff, this is the sweet spot. The IWS AutoDrain does the boring bit for you — detecting water, draining it away — while you keep control of feeding. Proper labour-saver for growers running 6–24 plants. One we recommend a lot for people stepping up from basic setups.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eIWS AutoDrain System\u003c\/strong\u003e is a \u003cstrong\u003erun-to-waste drainage automation kit\u003c\/strong\u003e built around a float-sensor brain controller and flexible piping network. The idea is simple: you hand water as normal, excess nutrient solution drains into trays connected to the system, the brain detects the runoff, and an internal pump automatically sends it to waste. Plants never sit in standing water. Roots stay healthy. You save time. That's the entire pitch, and it works.\u003c\/p\u003e\n\n\u003cp\u003eThis standard pipe version comes with \u003cstrong\u003e16mm flexible piping, fittings, and standard AutoDrain trays\u003c\/strong\u003e, designed to work with IWS 16L or 25L cloth pots. The system is modular — add more trays, add more plants, expand as you go. No redesign needed.\u003c\/p\u003e\n\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eRun-to-waste systems occupy a specific place in the growing market — between basic hand watering and full recirculating automation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. basic hand watering:\u003c\/strong\u003e You get automated drainage and root health management without buying a whole recirculating system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. recirculating systems:\u003c\/strong\u003e You use fresh nutrient solution every feed (no nutrient reuse), so pH and EC stay consistent and disease risk drops — but you use more nutrients overall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. gravity-only drainage:\u003c\/strong\u003e The internal pump means you're not limited by drain location or gravity advantage; pipe it where you need it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs. premium alternatives:\u003c\/strong\u003e IWS delivers proven automation at mid-market pricing, with reliability that's well established in UK growing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage guidance\u003c\/h3\u003e\n\u003cp\u003eThe IWS AutoDrain works best when you understand what it's actually for — it's a drainage helper, not a full irrigation system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHand watering with automated drain\u003c\/strong\u003e\u003cbr\u003e\nSet up your plants in the standard trays, hand water as normal. Excess solution runs down into the tray, the float sensor in the brain detects it, the pump activates, and runoff is pumped away to waste. No standing water. No manual bucket work.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRoot health and oxygen\u003c\/strong\u003e\u003cbr\u003e\nBy not leaving roots sitting in nutrient solution between feeds, you force the root zone to search for water. Roots develop faster and denser. Oxygen stays available. Pythium and root rot become far less likely. That's the core benefit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNutrient monitoring and control\u003c\/strong\u003e\u003cbr\u003e\nSince each feed is fresh nutrient solution, you can check the runoff EC and pH to see exactly what your plants are taking up. This tells you if feeding is dialled in or if you need to adjust. That feedback loop is powerful if you care about consistency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSystem size and scaling\u003c\/strong\u003e\u003cbr\u003e\nThe standard brain controller can gather runoff from as many plants as you connect — you're not limited by pot count. Start with 6 pots, add more trays and pipework later. No redesign.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Unit:\u003c\/strong\u003e IWS Brain Controller with float sensor and internal pump (MJ1000, rated for standard applications)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump outlet size:\u003c\/strong\u003e 16mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiping:\u003c\/strong\u003e 16mm flexible pipe with push-fit fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTray size:\u003c\/strong\u003e Standard AutoDrain Trays (compatible with IWS 16L and 25L cloth pots)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem type:\u003c\/strong\u003e Run-to-waste (non-recirculating active system)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloat sensor:\u003c\/strong\u003e Integrated in brain unit; triggers pump when runoff is detected\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower requirement:\u003c\/strong\u003e 230V AC (standard UK domestic supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular design:\u003c\/strong\u003e Additional trays, pipes, and fittings available separately for system expansion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHand-watering growers with 6–24 plants who want to stop manual runoff removal\u003c\/li\u003e\n\u003cli\u003eGrowers prioritising root health and disease prevention over nutrient economy\u003c\/li\u003e\n\u003cli\u003eAnyone stepping up from basic setups but not ready for full drip automation\u003c\/li\u003e\n\u003cli\u003eOperators managing larger numbers of pots where drainage labour becomes a real pain point\u003c\/li\u003e\n\u003cli\u003eGrowers who want consistent nutrient control without recirculating complexity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eParticularly well suited to \u003cstrong\u003ehome and semi-professional setups where plant health and time-saving matter more than minimising nutrient costs\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eOur take\u003c\/h3\u003e\n\u003cp\u003eThe IWS AutoDrain does what it promises: removes the boring bits of hand watering while keeping you in control of feeding. It's not a full automated system, and it's not designed to be — it's a labour-saver that solves a real problem, standing water and manual drainage work.\u003c\/p\u003e\n\u003cp\u003eIf you're hand watering a decent number of plants and want healthier roots without overthinking it, this is worth picking up. Takes the hassle out of runoff management and lets you spend time on the actual growing. Good time to buy while stock lasts.\u003c\/p\u003e\n\n\u003c\/section\u003e\n```","brand":"IWS","offers":[{"title":"4-Pot","offer_id":47916526731434,"sku":"31844","price":234.99,"currency_code":"GBP","in_stock":true},{"title":"8-Pot","offer_id":47916526764202,"sku":"31860","price":284.99,"currency_code":"GBP","in_stock":true},{"title":"12-Pot","offer_id":47916526796970,"sku":"31812","price":349.99,"currency_code":"GBP","in_stock":true},{"title":"16-Pot","offer_id":47916526829738,"sku":"31816","price":390.99,"currency_code":"GBP","in_stock":true},{"title":"20-Pot","offer_id":47916526862506,"sku":"31820","price":440.99,"currency_code":"GBP","in_stock":true},{"title":"24-Pot","offer_id":47916526895274,"sku":"31824","price":484.99,"currency_code":"GBP","in_stock":true},{"title":"28-Pot","offer_id":47916526928042,"sku":"31828","price":529.99,"currency_code":"GBP","in_stock":true},{"title":"32-Pot","offer_id":47916526960810,"sku":"31832","price":585.99,"currency_code":"GBP","in_stock":true},{"title":"36-Pot","offer_id":47916526993578,"sku":"31836","price":640.99,"currency_code":"GBP","in_stock":true},{"title":"40-Pot","offer_id":47916527026346,"sku":"31848","price":677.99,"currency_code":"GBP","in_stock":true},{"title":"44-Pot","offer_id":47916527059114,"sku":"31852","price":750.99,"currency_code":"GBP","in_stock":true},{"title":"48-Pot","offer_id":47916527091882,"sku":"31856","price":795.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/5540\/5400\/files\/IWSAutoDrain_98e160c9-8229-4723-8f8c-4fb94da1d410.jpg?v=1769195276","url":"https:\/\/growershouse.co.uk\/products\/iws-autodrain-system-standard-pipe-small-trays","provider":"Growers House ","version":"1.0","type":"link"}