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a3 Aeration Nozzle

A patented nozzle that uses the pump’s own energy to draw in ambient air at about three times the volume of water pumped, shearing it into ultra-fine micro-bubbles. One system delivers aeration, CO2 degassing, circulation and mixing without a blower or compressor. Three nozzle sizes let you match nozzle count to pump capacity across outdoor ponds, indoor tanks and super-intensive raceways.

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a3 Aeration Nozzle
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Product Information

Key Features

  • Patented nozzle uses the pump’s own energy to draw in ambient air — no blower or compressor needed
  • Draws air at roughly three times the volume of water being pumped, broken into ultra-fine micro-bubbles
  • Aeration, degassing, circulation and mixing from a single energy source
  • High air-to-water ratio strips CO2 as well as raising dissolved oxygen
  • Adjustable nozzle direction keeps solids in suspension and prevents hydrogen sulphide pockets
  • Three nozzle sizes — small, medium and large — so you can match nozzle count to pump capacity
  • Suits outdoor ponds, indoor tanks and super-intensive raceways, from nursery through brood-stock to grow-out
  • Sizing — one Sparus constant flow pump will run 16–18 small, 8–9 medium or 3–4 large nozzles, so choose the size and count that matches your pump.

Specifications

NozzlePart numberNozzles per Sparus constant flow pump
Small NozzleA3-316–18
Medium NozzleA3-28–9
Large NozzleA3-13–4

Downloads

a3 Nozzle Brochure

Frequently Asked Questions

How do I choose the right nozzle size?
Match nozzle size and count to your pump — one Sparus constant flow pump will run 16–18 small, 8–9 medium or 3–4 large nozzles.
How much air does each nozzle draw?
Each nozzle draws in ambient air at about three times the volume of water being pumped through it.
Do I need a blower or air compressor?
No — the nozzles use the pump’s energy to draw in ambient air, so there is no separate air supply to run or maintain.
Do they remove carbon dioxide?
Yes — the high air-to-water ratio degasses CO2 at the same time as it raises dissolved oxygen.
Which pump do you recommend?
The Sparus pump with constant flow technology, which we also supply.
Where can they be used?
Outdoor ponds, indoor tanks and super-intensive raceways, across nursery, brood-stock and grow-out stages.
Can they be used for circulation and mixing?
Yes — the nozzle direction is adjustable, so you can set the flow pattern to keep solids in suspension and avoid dead spots.

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