Nothing matches all of those filters.
Air pumps
Rated in litres per hour, with one to ten outlets.
Hailea ACO Series Air Pump – Reservoir Aeration
- Air output 1.3 L/min
- Outlets 1
- Power 1.8W
- Noise under 40 dB
Hailea V Series Air Pump – With Manifold for DWC
- Air output 10 L/min
- Outlets –
- Power 10W
- Noise under 35 dB
Out of stock
BOYU SES Low Noise Air Pump – For Hydroponic Systems
- Air output 30 L/min
- Outlets 1
- Power 25W
Charles Austen ET120 Air Pump – Quiet DWC Aeration
- Air output 120 L/min
- Outlets 1
- Power 125W
- Noise 40 dB
Hailea Air Pumps – DWC and Reservoir Aeration
- Air output 1.6 L/min
- Outlets 1
- Power 2W
- Noise under 40 dB
Air stones and diffusers
Bubble size decides how much of that air actually dissolves.
Airline, tees and manifolds
4mm line and splitters for running several stones from one pump.
Air pumps and aeration for reservoirs and DWC buckets
Dissolved oxygen is what keeps roots alive in standing water, and it drops fast in a warm reservoir. An air pump pushing air through a stone keeps the water agitated and oxygen-rich, which matters most in deep water culture buckets, where roots hang directly in solution with no medium to hold air pockets. The Hailea Air Pumps range (from £6.95) covers single-bucket setups, while the Hailea Professional Air Pump (from £59.95) has the output and multiple outlets to run several buckets, or a bigger reservoir, off one unit.
Sizing a pump to your setup
As a rough rule, match litres-per-hour output to reservoir size rather than buying the cheapest pump and hoping. An undersized pump barely ripples the water and oxygen levels stay low. Split larger reservoirs across multiple air stones using a plastic manifold (from £2.50) rather than one stone working overtime, and run 4mm air line (from £0.30) from pump to stone with as few kinks as possible, since a pinched line quietly halves your output. A golf ball air stone (£1.50) is the standard choice for most single-bucket DWC systems.
Air pumps sit outside the tent, ideally somewhere quiet, and run continuously rather than on a timer. Pair one with our irrigation pumps if you are also moving water rather than just aerating it, or see tanks & reservoirs for the tank itself. Free UK delivery over £99, or call 020 3488 0419 for advice on pump sizing.