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Swimming Pool Water Purification Knowledge Sharing: Creating a Clear and Healthy Swimming Environment
2025-05-08
1、 The main source of swimming pool water pollution
Swimming pool water pollution mainly comes from the following aspects:
Human inputs: sweat, dandruff, oil, cosmetics, etc
Environmental pollutants: dust, fallen leaves, insects, etc. in the air
Microorganisms: bacteria, viruses, algae, etc
Chemical substances: urine, sunscreen, etc
2、 The Three Core Systems of Swimming Pool Water Purification
1. Circulating filtration system
Circulating pump: Drive water flow to ensure complete water circulation
Filtering equipment:
Sand tank filtration (most commonly using quartz sand as filter material)
Diatomaceous earth filtration (with higher filtration accuracy)
Cartridge filtering (a small system that is easy to maintain)
Ideal cycle time: Complete a full pool water cycle in 4-6 hours
2. Disinfection system
Chlorine disinfection: the most commonly used, including liquid chlorine, sodium hypochlorite, chlorine tablets, etc
Free residual chlorine standard: 0.3-1.0mg/L
Advantages: Low cost, reliable performance
Disadvantages: May produce irritating odors and by-products
Ozone disinfection:
Strong oxidizing property, excellent sterilization effect
It needs to be used in conjunction with chlorine, as ozone cannot maintain residual disinfection ability
UV disinfection:
Physical disinfection method, no chemical residue
It also needs to be used in conjunction with chlorine
Salt chlorine system: producing chlorine by electrolyzing saltwater, reducing the storage of chemical agents
3. Water quality balance system
PH adjustment: ideal range 7.2-7.6
Excessive: reduces disinfection effectiveness, leading to scaling
Low: Corrosive equipment, irritating swimmers' eyes and skin
Total alkalinity: 80-120mg/L, used as a pH buffer
Calcium hardness: 150-400mg/L, to prevent water from being too "soft" or too "hard"
Swimming pool water pollution mainly comes from the following aspects:
Human inputs: sweat, dandruff, oil, cosmetics, etc
Environmental pollutants: dust, fallen leaves, insects, etc. in the air
Microorganisms: bacteria, viruses, algae, etc
Chemical substances: urine, sunscreen, etc
2、 The Three Core Systems of Swimming Pool Water Purification
1. Circulating filtration system
Circulating pump: Drive water flow to ensure complete water circulation
Filtering equipment:
Sand tank filtration (most commonly using quartz sand as filter material)
Diatomaceous earth filtration (with higher filtration accuracy)
Cartridge filtering (a small system that is easy to maintain)
Ideal cycle time: Complete a full pool water cycle in 4-6 hours
2. Disinfection system
Chlorine disinfection: the most commonly used, including liquid chlorine, sodium hypochlorite, chlorine tablets, etc
Free residual chlorine standard: 0.3-1.0mg/L
Advantages: Low cost, reliable performance
Disadvantages: May produce irritating odors and by-products
Ozone disinfection:
Strong oxidizing property, excellent sterilization effect
It needs to be used in conjunction with chlorine, as ozone cannot maintain residual disinfection ability
UV disinfection:
Physical disinfection method, no chemical residue
It also needs to be used in conjunction with chlorine
Salt chlorine system: producing chlorine by electrolyzing saltwater, reducing the storage of chemical agents
3. Water quality balance system
PH adjustment: ideal range 7.2-7.6
Excessive: reduces disinfection effectiveness, leading to scaling
Low: Corrosive equipment, irritating swimmers' eyes and skin
Total alkalinity: 80-120mg/L, used as a pH buffer
Calcium hardness: 150-400mg/L, to prevent water from being too "soft" or too "hard"
