Pool water circulation system maintenance guide, goodbye to cloudy water quality to create four seasons of translucent "liquid sapphire".

        An efficiently functioning pool water circulation and filtration system is the core lifeblood of a swimming pool to maintain its crystal quality. This article teaches you how to become an "internist" in pool health management, from equipment anatomy, cycle maintenance to avoiding pitfalls!

▍系统核心组件「生命体征监测表」
❶ Sand tank filters - the heart of water purification
▸ Health indicators: pressure gauge ≤ 1.5 bar, pressure drop after backwash ≥ 0.3 bar
▸ Abnormal signals: persistent turbidity in the viewing window/hardness of the filter media plates

❷ Circulating pumps - power source for water circulation
▸ Health indicators: operating current ≤ rated 10%, no high-frequency rattles
▸ Death warning: Bearing temperature > 75°C/water dripping at seals

❸ Sterilization systems - microbial firewalls
▸ Ideal: Residual chlorine value 1-3ppm, ORP ≥ 650mV
▸ Imbalance Alert: Chemical Chlorine >0.2ppm/Cyanuric Acid Exceedance

▍分级养护时间表（以标准家用泳池为例）
🔧 Daily Essentials
√ Check for fluctuations in pressure gauge/flow meter values
√ Fishing for floating debris on the water surface (leaves/sunscreen film)
√ Visual inspection of pool walls for signs of algae growth

🔧 Weekly intensive care
→ Backwash sand tanks (until the water is clear in the observation window)
→ Cleaning of hair traps (silicone grease lubricated seals)
→ Calibration of water quality sensors (using standard reagents)

🔧 Quarterly systematic medical examinations
✧ Dismantling and inspection of the filter media layer: replenishment of 10% new quartz sand
✧ Water pump maintenance: replacing mechanical seals/lubricating bearings
✧ Pipeline inspection: ultrasonic detection of hidden cracks

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☀️ Summer Heat Combat Kit
❶ Twice daily water quality tests (recommended 7:00 & 16:00)
❷ Additional UV sterilizer (breaks down sunscreen contaminants)
❸ Cycle time extended by 2 hours (midnight mode recommended)

❄️ Winter Dormancy Program
❶ Fill with antifreeze after draining the 90% water body
❷ Remove gauge/transducer for indoor storage
❸ Electrothermal "warm clothes" for pipes

⚠️ Eight life-compromising operations blacklisted
❗ Direct cleaning of canisters with hydrochloric acid (special filter media cleaner should be used)
❗ Prolonged over-pressure operation (exceeding the red mark for more than 10 minutes)
❗ Mixing different brands of disinfectants (prone to toxic fumes)
❗ Neglect of calcium hardness balance (200-400 ppm should be maintained)

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✅ IoT monitoring system: real-time view of TDS/turbidity values on your cell phone
✅ Automated Dosing Robot: Linked ORP Sensor for Precise Dosing
✅ Self-cleaning filter: AI recognizes media saturation to initiate backwashing

🔑 The Ultimate Maintenance Philosophy
"Three parts equipment, seven parts maintenance" - each time you invest 1 yuan in maintenance costs, you can save 8 dollars in maintenance costs, extending the life of the equipment 5-8 years!