Professional Swimming Pool Sand Filter

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A landmark sky-view rooftop luxury pool engineered for high-altitude wind resistance, structural safety, and 30% energy savings.


Background: Iconic rooftop pool project at Zhujiang Dijing Mansion, Guangzhou, overlooking the Canton Tower skyline.
Challenges: Strict rooftop load-bearing limits, high-altitude wind and waterproofing constraints, and high-end thermal stability requirements.
Solution: Turnkey engineering delivery featuring load-optimized equipment, reinforced piping, multi-stage disinfection, smart constant-temperature heating, and nightscape-matched LED lighting.
Value: Achieved 30% energy reduction, fully automated low-maintenance operation, and landmark-grade aesthetic integration with zero structural compromise.

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Project Timeline
2022


Products We Adopted
Full set of pool lifesaving equipment, professional pool cleaning tools, high-efficiency circulating filtration system, hydromassage system, multi-stage sterilization & disinfection system, landscape-grade underwater LED lighting system, constant temperature heating system, intelligent pool control system, full set of machine room pipeline & valve assemblies.


Application Scope
Luxury mansion rooftop sky pool, high-end residential rooftop landscape pool, premium city-view leisure swimming space.


Services We Provided
Premium scheme design adapted to rooftop environment, full set of equipment supply, standardized machine room equipment installation & pipeline laying, whole system commissioning & parameter tuning, underwater lighting effect debugging, operation training and long-term after-sales technical support.









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Project Background & Client Needs



The owner of Zhujiang Dijing Mansion planned to build a high-end rooftop swimming pool facing the Canton Tower, to create an iconic city-view leisure space matching the top luxury property positioning. The client put forward high requirements on landscape matching, night view effect, water quality experience and operation efficiency. Key needs included:




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✔ Overall design and equipment quality matching the premium property identity, integrated with the rooftop architectural style.
✔ Outstanding underwater lighting effect to create an amazing night swimming experience that echoes the city night scene.
✔ Long-term stable crystal-clear water quality and constant comfortable water temperature, meeting high-end daily use standards.
✔ Reduced manual maintenance and lower long-term operation energy consumption.
✔ Reliable equipment and installation adapted to the high-altitude rooftop environment.
✔ One-stop full equipment service to ensure unified project quality and reduce coordination costs.





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Challenges & Our Custom Solutions


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✔ Premium Landmark Positioning & Landscape Integration



To match the top luxury positioning of the property and the Canton Tower landscape view, we optimized the overall scheme at the early design stage, adopted a concealed machine room layout and refined pipeline design, which does not damage the aesthetic integrity of the rooftop space. We specially selected high-color-rendering landscape-grade underwater lights, with soft and advanced light effect, which perfectly integrate with the city night view at night, greatly enhancing the high-end swimming experience and landscape value.















✔ High-Altitude Rooftop Installation & Operation Stability



Aiming at the special conditions of limited rooftop space, load-bearing requirements and high-altitude wind environment, we selected commercial-grade lightweight and highly durable core equipment, optimized pipeline layout and equipment installation scheme, and strictly followed high-altitude construction standards for waterproof, windproof and reinforcement treatment, to ensure long-term stable and safe operation of the system.









✔ Water Quality Guarantee & Operation Energy Saving Optimization



We adopted a multi-stage filtration system matched with a composite sterilization scheme to stably control water quality indexes and keep the pool water crystal clear all year round. Equipped with an intelligent automatic control system, it realizes automatic operation of filtration, disinfection and constant temperature. Through optimized hydraulic design and energy-saving operation logic, the overall power consumption is reduced by 30% compared with traditional schemes, effectively cutting long-term operation and maintenance costs.









✔ One-Stop Full Supporting Delivery



We provide all supporting facilities required for the rooftop pool in one stop, from core water treatment systems, underwater lighting and heating equipment to lifesaving appliances and cleaning tools. The unified supply and installation ensures the matching compatibility of all systems, avoids multi-party coordination for the owner, and guarantees the high-standard delivery of the whole project.









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Key Highlights & Project Outcomes






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Iconic Sky Pool Benchmark Project



Facing the Canton Tower with unobstructed city view, it is a representative high-end rooftop pool project in Guangzhou, highly matching the premium identity of the Zhujiang Dijing Mansion.















Stunning Night View Lighting Effect



The professional landscape-grade underwater light system presents advanced and soft light at night, which perfectly echoes the city landmark night scene and creates a unique high-end night swimming experience.















Remarkable Energy & Maintenance Saving



The optimized system reduces overall power consumption by 30%, and the automatic operation greatly cuts manual maintenance input, with significantly lower long-term operation cost.





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Stable Premium Water Experience



Multi-stage filtration and composite disinfection ensure long-term crystal-clear water quality and stable constant temperature, fully meeting the high-standard use demand of top luxury properties.









High-Standard One-Stop Delivery



Full-process service from scheme design, equipment supply to installation and commissioning, adapted to the special high-altitude rooftop environment, with reliable construction quality and stable system operation.





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With the arrival of summer, swimming pools become one of the most popular places for leisure, cooling down, and physical exercise. Swimming not only provides entertainment but also improves overall health and fitness. However, for public swimming pools, water quality safety has always been a key concern. Many users often ask: Is the pool water truly clean and compliant with hygiene standards? In reality, public pools face constant challenges due to high user traffic, continuous contamination from swimmers, and rapid changes in water chemistry.






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✦ Hygiene Standards for Public Swimming Pools

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Public swimming pools must comply with strict hygiene requirements to ensure user safety and water quality stability. These standards define the acceptable ranges for key water quality parameters.
Swimming Pool Water Quality Standard Parameters






No.
Parameter
Standard Limit


1
Turbidity
≤ 1 NTU


2
pH Value
7.0 – 7.8


3
Urea
≤ 3.5 mg/L


4
Total Bacterial Count (36±1°C, 48h)
≤ 200 CFU/mL


5
Total Coliforms (36±1°C, 24h)
Not detectable per 100 mL


6
Free Chlorine
0.2 – 1.0 mg/L


7
Combined Chlorine
≤ 0.4 mg/L


8
Ozone (when ozone disinfection is used)
≤ 0.2 mg/m³ (above water surface / in air)


9
Water Temperature
23°C – 30°C




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These parameters directly determine whether a swimming pool meets public health requirements and can be safely operated.






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✦ Limitations of Manual Water Quality Testing

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Traditional pool management often relies on manual testing at fixed intervals. While this method can provide basic information, it has several limitations:
⦁ Cannot monitor water quality in real time
⦁ Requires trained operators with technical knowledge
⦁ Data is not continuous or dynamic
⦁ Delayed response to sudden water quality changes
In high-traffic public swimming pools, water conditions can change rapidly within hours, making manual monitoring insufficient for ensuring stable water quality.






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✦ The Importance of Online Water Quality Monitoring Systems

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To address these challenges, online water quality monitoring systems are increasingly being used in modern swimming pool engineering.
These systems provide continuous real-time monitoring of key parameters such as:
⦁ pH value
⦁ ORP (oxidation-reduction potential)
⦁ Free chlorine concentration
⦁ Water temperature
By continuously tracking these indicators, pool operators can better understand water quality fluctuations and respond quickly when necessary.






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✦ Automated Control for Better Water Stability

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Advanced monitoring systems can also be integrated with dosing and circulation equipment to achieve automatic control.
For example:
⦁ When disinfectant levels are too low, the system can trigger chemical dosing
⦁ When chlorine levels are too high, the system can reduce dosing or increase fresh water intake
⦁ Continuous feedback ensures stable water quality balance
This closed-loop control system helps maintain consistent hygiene conditions and reduces the risk of human error.






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✦ ZIYING Engineering Approach to Water Quality Management

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At ZIYING, we focus on providing engineering-based swimming pool water treatment solutions, including water quality monitoring system integration.
Instead of relying only on manual testing, we support projects with:
⦁ Online water quality monitoring integration
⦁ Real-time data feedback systems
⦁ Compatibility with dosing and circulation systems
⦁ Engineering-level system design support
This ensures that water quality is continuously controlled rather than periodically checked.






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✦ Why Real-Time Monitoring Matters for Public Pools

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Public swimming pools typically have:
⦁ Large water volumes
⦁ High and continuous user traffic
⦁ Rapid changes in water contamination levels
Without real-time monitoring, water quality risks can increase significantly, potentially affecting user safety and operational compliance.
Real-time monitoring helps:
⦁ Improve hygiene safety
⦁ Reduce operational risks
⦁ Optimize chemical usage
⦁ Provide reliable data for management decisions






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Conclusion

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Water quality management is the foundation of safe swimming pool operation, especially in public environments where usage intensity is high.
Manual testing alone is no longer sufficient to ensure stable and safe water conditions. Modern engineering solutions such as online water quality monitoring systems are becoming an essential part of swimming pool water treatment design.
At ZIYING, we are committed to providing professional swimming pool water treatment engineering solutions, helping operators achieve safer, more stable, and more efficient pool water management systems.