Collection: Poly Tubing

Poly tubing

Poly tubing forms the core plumbing of a hydroponic irrigation system, distributing nutrient solution to grow pots, drip lines and aeroponic mist setups. This flexible LDPE hose comes in a range of sizes for connecting pots together, running off excess nutrient solution, and linking airline to feeding rings or air stones.

Why tubing quality matters

Reliable tubing is what actually moves nutrient solution around a hydroponic system — from the pump or nutrient tank into grow pots, along drip lines, or out through run-off fittings. Poly tubing's flexibility makes it easy to run custom layouts around irregular grow spaces, and its LDPE construction holds up to constant contact with nutrient solution without degrading, which also helps buffer the solution against rapid temperature swings.

What's in this collection

Flexible black LDPE poly tubing in a range of sizes

Pot-to-pot connecting tubing for linking grow pots

Run-off tubing for draining excess nutrient solution

Airline connectors for feeding rings and air stones

How to choose

Poly tubing size depends on the job: smaller diameters suit airline connections to feeding rings and air stones, while larger diameters handle higher-volume nutrient delivery and run-off drainage. Check the outlet or fitting size on your pump, feeding ring or grow pot before choosing your tubing diameter.

If you're setting up your first system, a single roll of general-purpose poly tubing usually covers pot-to-pot connections and run-off. Larger or multi-zone setups may need a few different diameters on hand to match pumps, feeding rings and drain fittings.

A-Grade Hydroponics stocks flexible poly tubing in a range of sizes for every part of your hydroponic irrigation — from feeding rings to run-off drainage. Chat to our Melbourne-based team if you're not sure which size fits your setup, then browse the range below.