Comparing the Options — and Why Ultra-Oxygen™ Is Rated Among the Best in the World
In aquaponics, your entire system lives or dies by oxygen. Whether it’s keeping your fish healthy, supporting nitrifying bacteria, or ensuring robust plant growth — dissolved oxygen (DO) is the heartbeat of your operation.
But with so many aeration options available, how do you choose the best one for your system?
Let’s break down the most common technologies:
1. Air Stones & Diffusers
- How they work: Compressed air is pushed through porous stones or diffusers.
- Pros: Inexpensive, simple to use.
- Cons: Large bubbles = low oxygen transfer efficiency (~1–3%). Requires constant high-pressure air supply. Frequent clogging. Not ideal for deep tanks or large-scale systems.
2. Venturi Injectors
- How they work: Water flow creates suction that pulls in air, mixing it via turbulence.
- Pros: No external air pump needed. Simple installation.
- Cons: Energy-intensive if poorly designed. Air bubbles are still relatively large. Efficiency drops as pressure loss increases.
3. Paddlewheel or Surface Agitators
- How they work: Mechanically agitate the water surface to increase gas exchange.
- Pros: Works well in shallow raceways.
- Cons: Inefficient in deep tanks. Doesn’t oxygenate lower water columns. High energy use.
4. Ultra-Fine Bubble (Nanobubble) Systems
- How they work: Inject micro to nanobubbles (1–100 µm) into water; these bubbles stay suspended and penetrate deep.
- Pros: Highest oxygen transfer efficiency. Long bubble residence time. Improves nitrification, root oxygenation, and fish health. Can even oxidize waste.
- Cons: Often expensive. Most systems require pressurization or complex gas injection. Many lack durability in farm environments.
Why Ultra-Oxygen™ from Soldevco Is Rated Among the Best in the World
Unlike traditional nanobubble systems, Ultra-Oxygen™ combines microbubble + ultrafine bubble technology using a proprietary venturi-based, low-pressure system — offering all the benefits of nanobubbles without the complexity or high energy draw.
Here’s what sets it apart:
Up to 90% oxygen transfer efficiency
Plug-and-play — no need for pressurized tanks or chemical additives
No moving parts in water = minimal maintenance
Enhances biofiltration and reduces ammonia/nitrite levels
Sludge breakdown and water polishing effect
Energy savings of up to 60% compared to blowers or traditional air stones
Built for real farms — tested in aquaponics systems like Practical Aquaponics SA
Globally Recognized. Locally Proven.
Developed in South Africa | Patented locally
Supported by TIA and the Department of Science & Innovation
Finalist in the Global Cleantech Innovation Programme (GCIP-SA)
Developed by a 100% youth- and women-owned engineering team- Validated in aquaponics, wastewater, and agricultural reuse systems
If you’re running an aquaponics system and serious about reducing fish mortality, improving nutrient absorption, and cutting energy costs, Ultra-Oxygen is the most efficient and sustainable choice available today.
Contact us for a demo or consultation
www.ultra-oxygen.com
[email protected]
WhatsApp: +27 60 70 33 865
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