The Hydro Flow 3/4″ Poly Barbed Elbow is a polyethylene tubing fitting designed to redirect 3/4-inch poly lines in hydroponic and irrigation systems. Each elbow provides a secure, leak-free 90-degree turn wherever your tubing run needs to change direction. This listing includes a 10-pack, making it practical to keep spares on hand for builds, repairs, and seasonal system changes.
Hydro Flow 3/4" Poly Barbed Elbow Specifications
Specifications below are drawn from the canonical product listing and physical product attributes. Weight reflects the per-unit measurement on file.
| Specification | Value |
|---|---|
| Brand | Hydro Flow |
| Fitting Type | Barbed elbow (90-degree) |
| Tubing Size | 3/4 inch (19 mm) |
| Material | Polyethylene (poly) |
| Pack Quantity | 10 fittings per pack |
| Unit Weight | 0.0992 lb per fitting |
| Connection Method | Push-on barbed |
| Application | Irrigation and hydroponic systems |
Why Choose the Hydro Flow 3/4" Poly Barbed Elbow
Barbed elbow fittings handle one of the most common layout challenges in any irrigation or hydroponic build: turning a tubing run without kinking the line. The Hydro Flow poly barbed elbow is made for this job specifically, using a barbed profile that grips the inside of standard 3/4-inch polyethylene tubing to hold the connection under normal operating pressure.
- Leak-free barbed grip: The barbed profile bites into the interior wall of poly tubing, creating a mechanical seal that resists pullout and drip under normal irrigation pressure without requiring clamps in most low-pressure setups.
- Polyethylene construction: Poly fittings resist corrosion and are compatible with water-based nutrient solutions, making them suitable for use in recirculating hydroponic systems where metal fittings may degrade over time.
- 10-pack value: Sold in packs of 10, the elbow is priced for practical use — you can populate an entire system layout or keep extras for mid-season repairs without the cost of ordering single fittings.
- Versatile fit: Designed to connect and redirect standard 3/4-inch poly tubing, the elbow works across a range of irrigation and hydroponics configurations including drip rings, feeder lines, and manifold branches.
Best Uses for the Hydro Flow 3/4" Poly Barbed Elbow
This fitting is a utility component — it serves wherever a 3/4-inch poly line needs to turn. The applications below reflect the Hydroponic Systems & Water Management category context and the product’s stated use in irrigation and hydroponic systems.
- Drip irrigation systems: Route supply lines around corners in drip or emitter-based layouts, keeping tubing organized and free of pressure-restricting kinks.
- Flood-and-drain (ebb and flow) systems: Use elbows to turn inlet or drain lines at the table edge or reservoir entry point in tray-based systems.
- Recirculating DWC or NFT systems: Direct return or supply lines around equipment, reservoir walls, or support structures without cutting additional straight tubing lengths.
- Outdoor and greenhouse irrigation: The polyethylene material handles UV-ambient outdoor conditions better than softer vinyl fittings, making it appropriate for greenhouse benches and outdoor raised-bed irrigation runs.
- System repairs and retrofits: When an existing line layout needs rerouting — for a new light fixture, added reservoir, or relocated pump — elbows let you redirect without rebuilding from scratch. The 10-pack ensures you have spares on the bench.
- Paired with filtration and water treatment equipment: If your system includes a 200-mesh screen filter for drip or irrigation lines, elbows help route tubing cleanly around the filter housing.
Compatibility
The Hydro Flow 3/4″ Poly Barbed Elbow is designed for use with standard 3/4-inch polyethylene (poly) tubing, which is the most common tubing size for main supply lines in commercial and home hydroponic systems and drip irrigation kits.
Key compatibility notes:
- Tubing type: Designed for 3/4-inch polyethylene tubing. Do not use with vinyl or silicone tubing — the barbed fitting is sized for the wall thickness of standard poly tubing.
- Operating pressure: Suitable for typical low-pressure irrigation and hydroponic recirculating systems. Manufacturer-published maximum pressure ratings are not available in current documentation; consult your system’s pump specifications to confirm suitability.
- Nutrient solution compatibility: Polyethylene is chemically resistant to water-based nutrient solutions at normal growing concentrations. It is not rated for petroleum-based or high-solvent liquids.
- System types: Compatible with drip irrigation kits, flood-and-drain trays, NFT channels, DWC reservoirs, and outdoor irrigation manifolds where 3/4-inch poly tubing is used for main supply or return runs.
- Water quality systems: Works alongside reverse osmosis water treatment systems where filtered water is distributed through poly tubing to individual growing sites.
Sources & Further Reading
Hydro Flow does not maintain a public brand website. Product specifications are sourced directly from authorized distributor listings and verified against the physical product.







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