Explore OxyGuard professional monitoring and control systems for aquaculture at GroAqua. Designed for continuous water quality monitoring and automated process control, OxyGuard systems help manage critical parameters including dissolved oxygen, pH, CO₂, temperature, salinity and more. Ideal for fish farms, hatcheries, RAS facilities and pond aquaculture, these solutions support stable water conditions, fish welfare and efficient farm management.
OxyGuard Aquaculture Monitoring & Control Systems
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OxyGuard OxyGuard Marlin+ Standard with DO Probe, for 24 VDC supply
Marlin+ is a smart monitoring and control system, available in two versions: Standard and Advanced. This allows you to choose the setup that best fits your needs. Read more in the technical specifications section. Features: Up two probe connectionsMeasure multiple parameters at once Wi-Fi & BluetoothFast setup and easy data access 4.3″ colour touchscreenIntuitive and user-friendly Pre-configured standard setupsPlug & Play configurations for feeding, aeration etc. Automation-ready4 relays, 4 I/O, Modbus/TCP, 24 VDC or PoE Weatherproof designReliable performance in tough environments Cobália compatibleIntegrate with OxyGuard’s farm management platform
€1.906,95
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OxyGuard OxyGuard Marlin+ Advanced, for control of paddle wheels, blowers,without probe, for 24 VDC supply
Marlin+ is a smart monitoring and control system, available in two versions: Standard and Advanced. This allows you to choose the setup that best fits your needs. Read more in the technical specifications section. Features: Up two probe connectionsMeasure multiple parameters at once Wi-Fi & BluetoothFast setup and easy data access 4.3″ colour touchscreenIntuitive and user-friendly Pre-configured standard setupsPlug & Play configurations for feeding, aeration etc. Automation-ready4 relays, 4 I/O, Modbus/TCP, 24 VDC or PoE Weatherproof designReliable performance in tough environments Cobália compatibleIntegrate with OxyGuard’s farm management platform
€1.497,95
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OxyGuard OxyGuard Marlin+ Standard without probe, for 24 VDC supply
Marlin+ is a smart monitoring and control system, available in two versions: Standard and Advanced. This allows you to choose the setup that best fits your needs. Read more in the technical specifications section. Features: Up two probe connectionsMeasure multiple parameters at once Wi-Fi & BluetoothFast setup and easy data access 4.3″ colour touchscreenIntuitive and user-friendly Pre-configured standard setupsPlug & Play configurations for feeding, aeration etc. Automation-ready4 relays, 4 I/O, Modbus/TCP, 24 VDC or PoE Weatherproof designReliable performance in tough environments Cobália compatibleIntegrate with OxyGuard’s farm management platform
€1.127,95
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OxyGuard OxyGuard Atlantic Single Channel Dissolved Oxygen Meter
Atlantic measures oxygen and temperature in aquaculture systems. The OxyGuard Atlantic is an accurate, reliable and easy to use oxygen meter with features ideal for use in aquaculture facilities such as shrimp farms, carp farms and other installations with individual, large ponds. It measures both dissolved oxygen and temperature, and has 4 relay outputs. The dissolved oxygen measurement is compensated for atmospheric pressure, which permits accurate control of aerators. The user can link setpoints to parameters as desired. Setpoints can then be linked to output relays. It is also possible to link setpoints together. This permits, for example, an aerator to be started both from a DO setpoint and a temperature set point. Download Brochure
€1.499,95
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OxyGuard OxyGuard Pond Master for Dissolved Oxygen (exlucdes probe)
Pond Master monitors and controls oxygen levels in pond-based aquaculture systems. Pond Master is specifically designed for monitoring and control of oxygen levels in aquaculture facilities such as shrimp farms, carp farms, and other installations with individual ponds. This unique instrument incorporates advanced technology with an attractive, compact design resulting in a combination of user-friendly operation, accuracy, low maintenance needs and affordability. Probe not included Download Brochure
€1.158,95
Maintain optimal water quality and improve operational control with OxyGuard professional monitoring and control systems, available at GroAqua. Designed specifically for aquaculture, OxyGuard technology provides reliable, continuous measurement of essential water quality parameters, helping fish farmers maintain stable production conditions and protect fish health.
From standalone monitoring instruments to advanced multi-parameter control systems, OxyGuard offers flexible solutions for fish farms, hatcheries, recirculating aquaculture systems (RAS), pond installations and live fish transportation.
Continuous Water Quality Monitoring
Water quality can change rapidly in aquaculture environments. Continuous monitoring provides valuable insight into changing conditions and helps operators identify potential problems before they affect fish health or production.
OxyGuard systems can monitor a range of critical parameters, depending on the selected instrument and probes:
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Dissolved oxygen (DO)
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Optical dissolved oxygen (LDO)
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Carbon dioxide (CO₂)
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pH and Redox (ORP)
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Temperature
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Salinity
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Total Gas Pressure (TGP)
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Ozone
OxyGuard Monitoring & Control Solutions
The OxyGuard range includes specialised systems to suit different aquaculture applications.
OxyGuard Marlin+
A modern monitoring and control solution designed for continuous water quality measurement. Available in Standard and Advanced versions, Marlin+ provides flexible probe connectivity, data management and integration with the Cobália platform. The Advanced version adds control functionality for applications such as aeration, feeding and alarm management.
OxyGuard Pacific
A modular, multi-channel and multi-parameter process control system designed for fish farms. Pacific combines water quality monitoring, data logging and automated control in a flexible system that can be configured to suit individual installations, from smaller facilities to larger aquaculture operations.
OxyGuard Pond Master
Designed specifically for pond-based aquaculture, Pond Master monitors and controls dissolved oxygen levels, helping maintain suitable oxygen conditions in shrimp farms, carp farms and other pond installations.
OxyGuard Atlantic
A dedicated oxygen and temperature monitoring solution for aquaculture installations requiring continuous measurement of these essential parameters.
OxyGuard Convoy Pacific
A specialised monitoring and control solution for live fish transportation, helping monitor and manage dissolved oxygen and temperature in transport tanks.
Why Choose OxyGuard Aquaculture Systems?
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Continuous monitoring of critical water quality parameters.
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Reliable measurement technology for demanding aquaculture environments.
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Flexible probe configurations for different monitoring requirements.
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Automated control options for oxygenation and other processes.
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Data logging and monitoring capabilities.
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Integration options for farm management and control systems.
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Solutions for hatcheries, fish farms, RAS and pond aquaculture.
Smarter Aquaculture Monitoring with GroAqua
Effective water quality management is fundamental to successful fish farming. OxyGuard monitoring and control systems help transform water quality measurements into actionable information, supporting better operational decisions, improved process management and more consistent production conditions.
Whether you need a dedicated dissolved oxygen monitoring system or a comprehensive multi-parameter process control solution, GroAqua can help you identify the right OxyGuard equipment for your aquaculture operation.
Explore our range of OxyGuard monitoring and control systems and take greater control of your water quality management.