{"product_id":"hydroponic-joiners-13mm-19mm-25mm","title":"Hydroponic Joiners | 13mm, 19mm \u0026 25mm Straight and Reducing Barb Connectors","description":"\u003cp\u003eHydroponic joiners are straight and reducing barb connectors used to extend or adapt irrigation tubing within hydroponic systems. They provide a secure, leak-resistant connection between pipe sections, maintaining consistent flow across nutrient delivery lines in drip systems, NFT setups, ebb and flood tables, and recirculating grow systems.\u003c\/p\u003e\u003cp\u003eAvailable in 13mm, 19mm, and 25mm sizes, including reducing configurations for diameter transitions, these fittings make it simple to expand, repair, or reconfigure your irrigation layout without specialist tools. Whether you're extending a nutrient line, repairing a split section of tubing, or adapting between pipe sizes, hydroponic joiners are an essential component in any well-built grow room plumbing system.\u003c\/p\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight and reducing joiners for irrigation tubing.\u003c\/strong\u003e Covers both same-size line extensions and diameter transitions in a single product range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible with 13mm, 19mm, and 25mm systems.\u003c\/strong\u003e Fits the most common hydroponic tubing sizes used in Australian grow rooms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-resistant barbed push-fit connections.\u003c\/strong\u003e Barbed design grips tubing securely, reducing the risk of leaks at connection points under normal operating pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnables pipe extension and system modification.\u003c\/strong\u003e Join two sections of tubing quickly and reliably without cutting into existing fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports diameter transitions with reducing joiners.\u003c\/strong\u003e Reducing joiners allow smooth flow transitions between 19mm and 13mm, or 25mm and 19mm tubing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable UV-stabilised construction.\u003c\/strong\u003e Built to withstand the conditions of indoor grow rooms and greenhouse environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free installation for fast setup and repairs.\u003c\/strong\u003e Push-fit barbed design installs by hand, making repairs and system changes quick and straightforward.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow It Works\u003c\/h2\u003e\u003cp\u003eHydroponic joiners use a barbed push-fit design that grips the inner wall of irrigation tubing when inserted. The barbs create a mechanical seal that holds under normal hydroponic system pressure, preventing leaks and maintaining consistent flow. Reducing joiners taper between two different diameters, allowing smooth transitions without flow restriction. Simply push the joiner into each end of the tubing sections to connect.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHydroponic irrigation line extension and repair\u003c\/li\u003e\n\u003cli\u003eDrip irrigation tubing connection and modification\u003c\/li\u003e\n\u003cli\u003eNutrient delivery system expansion\u003c\/li\u003e\n\u003cli\u003eNFT hydroponic pipe connections\u003c\/li\u003e\n\u003cli\u003eGreenhouse and indoor grow room irrigation layouts\u003c\/li\u003e\n\u003cli\u003eEbb and flood system plumbing\u003c\/li\u003e\n\u003cli\u003eRecirculating drip and top-feed system builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial.\u003c\/strong\u003e High-strength UV-stable polymer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes.\u003c\/strong\u003e 13mm \/ 19mm \/ 25mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypes.\u003c\/strong\u003e Straight joiner \/ reducing joiner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type.\u003c\/strong\u003e Barbed push-fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication.\u003c\/strong\u003e Hydroponics, irrigation, fertigation systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction.\u003c\/strong\u003e Line extension, diameter transition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment.\u003c\/strong\u003e Indoor, greenhouse, commercial systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Bought Together\u003c\/h2\u003e\u003cp\u003eComplete your irrigation setup with related fittings from the Apex Grow plumbing range. Pair your joiners with \u003ca href=\"\/products\/hydroponic-soft-tube-kink-free-irrigation-hose-4mm-25mm-australia\"\u003eHydroponic Soft Tube\u003c\/a\u003e in 13mm, 19mm, and 25mm, \u003ca href=\"\/products\/hydroponic-tee-barb-fittings-4mm-25mm-australia\"\u003eTee Barb Fittings\u003c\/a\u003e for branching your irrigation lines, \u003ca href=\"\/products\/hydroponic-elbow-barb-fittings-australia\"\u003eElbow Barb Fittings\u003c\/a\u003e for directional changes, \u003ca href=\"\/products\/hydroponic-end-plugs-13mm-19mm-25mm\"\u003eEnd Plugs\u003c\/a\u003e to cap unused ports, and \u003ca href=\"\/products\/hydroponic-saddle-clamps-13mm-19mm\"\u003eSaddle Clamps\u003c\/a\u003e for securing tubing runs to frames and structures.\u003c\/p\u003e","brand":"Apex Grow","offers":[{"title":"13mm Joiner (Bag 20)","offer_id":43215475507263,"sku":null,"price":14.95,"currency_code":"AUD","in_stock":true},{"title":"19mm Joiner (Bag 20)","offer_id":43215475540031,"sku":null,"price":14.95,"currency_code":"AUD","in_stock":true},{"title":"25mm Joiner (Bag 20)","offer_id":43215475572799,"sku":null,"price":19.95,"currency_code":"AUD","in_stock":true},{"title":"Reducing Joiner 19mm-13mm (20)","offer_id":43215475605567,"sku":null,"price":14.95,"currency_code":"AUD","in_stock":true},{"title":"Reducing Joiner 25mm-19mm (25)","offer_id":43215475638335,"sku":null,"price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/6898\/8479\/files\/Joiners_1000x1000_Grey-1_1.png?v=1777900013","url":"https:\/\/apexgrow.com.au\/products\/hydroponic-joiners-13mm-19mm-25mm","provider":"Apex Grow","version":"1.0","type":"link"}