Maintaining excellent water quality is one of the most important factors in successful aquaculture operations. From commercial fish farms and hatcheries to research facilities and advanced Recirculating Aquaculture Systems (RAS), accurate water monitoring and testing provides the information needed to maintain healthy stock, improve growth rates, and optimise system performance.
At Pure Aquatics, we provide professional water quality monitoring solutions designed for modern aquaculture environments. Our range of testing equipment, monitoring systems, filtration solutions, UV sterilisation, ozone treatment, and oxygen management technologies help aquaculture operators maintain stable and productive aquatic systems.
Improve survival and growth
Maintain optimal water conditions
Lower costs and higher productivity
Detect issues before they become problems
Understanding and monitoring key water quality parameters helps you maintain a stable environment and ensure the health and performance of your aquatic stock.
Essential for respiration, feeding, growth and overall fish health.
Why it matters:
pH affects fish health, ammonia toxicity and biological filtration.
Why it matters:
Rapid changes cause stress
Influences nutrient availability
Affects biofilter performance
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Produced from fish waste and uneaten feed. Highly toxic even at low levels.
Why it matters:
Damages gills
Reduces growth
Increases disease risk
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Produced during the breakdown of ammonia. Interferes with oxygen transport in fish.
Why it matters:
Causes “brown blood disease”
Reduces growth
Increases stress
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View Nitrite Testing ›
Affects metabolism, oxygen demand, feeding activity and disease risk.
Why it matters:
Higher temperatures reduce oxygen
Influences growth rates
Affects system stability
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Important for marine and brackish species and osmoregulation.
Why it matters:
Affects animal health
Impacts reproduction
Essential for consistent conditions
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The final stage of nitrification. Less toxic but indicates waste buildup.
Why it matters:
Indicates biofilter performance
High levels require water changes
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Measures suspended particles in the water.
Why it matters:
High turbidity affects gills and growth
Reduces light penetration
Indicates poor filtration
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DAILY MONITORING
Check Every Day
✓ Dissolved Oxygen (DO)
✓ Temperature
✓ pH
✓ Fish Behaviour
✓ Water Flow & Equipment Operation
WEEKLY TESTING
Check Every Week
✓ Ammonia
✓ Nitrite
✓ Nitrate
✓ Alkalinity
✓ Salinity / Conductivity
CONTINUOUS MONITORING
Recommended For Advance Systems
✓ DO
✓ pH
✓ Temperature
✓ ORP
✓ Salinity / Conductivity
✓ Water Flow
























Water testing identifies problems – filtration and treatment help solve them.
Removes suspended solids, uneaten feed and organic waste.
Benefits:
Supports beneficial bacteria that convert toxic ammonia into less harmful compounds.
Benefits:
Helps reduce pathogens, bacteria and some parasites in the water.
Benefits:
Powerful oxidation that breaks down organics and improves water clarity and quality.
Benefits:
Increases dissolved oxygen levels and improves circulation.
Benefits:
ADVANCED MONITORING SYSTEMS
Modern aquaculture relies on real-time data and automation.
✓ Continuous monitoring
✓ Real-time alerts
✓ Data logging & trends
✓ Remote access anywhere
✓ Better decisions, better results
• Gasping at the surface
• Reduced feeding
• Flashing or rubbing
• Abnormal swimming
• Bad odour
• Foam on the surface
• Cloudy or discoloured water
• Algae blooms
• Poor biofilter performance
• Increased mortality
• Higher feed conversion ratio
• Equipment working harder
WHY CHOOSE PURE AQUATICS?
We provide high quality, reliable and effective solutions for all types of aquaculture operations.
✓ Wide range of testing & monitoring equipment
✓ Filtration, UV, ozone & aeration solutions
✓ Expert support & guidance
✓ Solutions for ponds, tanks, RAS & hatcheries
✓ Trusted by aquaculture professionals