Pool & Spa

Monitoring Pool Chemistry

Swimming is a popular activity, especially during the summer months. When the crowds start arriving to escape the heat, swimming pools become increasingly contaminated. Bathers transfer sweat, dirt, oils, and sunscreen into the pool water, impacting pool chemistry. Other contaminants emerge from the surrounding setting, like leaves and insects.

Contaminants may be categorized as physical, chemical, or biological. Physical contaminants, which are visible to the naked eye, are filtered out by a mechanical system. Chemical contaminants, such as the compounds found in sweat and sunscreen, are oxidized by chlorine. Chlorine is also used to destroy biological contaminants such as microorganisms living in the pool. Some examples of these microorganisms can be algae and disease-causing pathogens.

The condition of the pool water declines as contaminant particle load increases. Odor, discoloration, and algae growth may arise if contamination is not properly addressed. Moreover, contamination by pathogens can cause infections and irritation for bathers in the pool. To ensure that the pool water remains clean and safe, it is important to maintain adequate chlorine levels as well as a high functioning filtration system.

Preparing chemical solutions?

Visit our pH calculator first.

Why is it important to monitor pH and ORP?

Monitoring pH and ORP is critical to maintaining safe, clean pool water chemistry. Key benefits include:

Ensures bather comfort and water cleanliness

Verifies sanitization activity of chlorine

Reduces damage to pipes due to corrosion at low pH

Automatically controls and adjusts chlorine and other chemicals

Swimming Pool pH Sensors

Sensorex has a broad range of sensors and other products for keeping the water in your pool and spa safe and clean.

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Popular ProductsSensorex Swimming Pool pH Sensors Best Sellers

pH5000 – pH Sensor, Polycarbonate Swimming Pool

Maintaining proper pH in a swimming pool is critical to chlorine sanitizing activity. Our pH5000 swimming pool pH sensor is…

Add to Cart | $61.75

S465C-ORP – ORP (REDOX) Sensor, Extended Life Acu-Trol Direct-Fit Replacement

Our S465 series of ORP sensors deliver reliable online ORP (REDOX) monitoring as a direct-fit replacement for the Acu-Trol ORP sensor…

Add to Cart | $185.47

S465C – pH Sensor, Extended Life Acu-Trol Direct-Fit Replacement

Our S465 series of pH sensors deliver reliable online pH monitoring as a direct-fit replacement for Acu-Trol pH sensor 744000260 (AKpH-FB).…

Add to Cart | $141.40

S420C-ORP/BTD – ORP (REDOX) Sensor, Extended Life Strantrol Direct-Fit Replacement

Our S420 series of ORP sensors deliver reliable online ORP (REDOX) monitoring as a direct-fit replacement for Strantrol ORP sensors W2T3067…

Add to Cart | $382.00

S420C/BTD – pH Sensor, Extended Life Strantrol Direct-Fit Replacement

Our S420 series of pH sensors deliver reliable online pH monitoring as a direct-fit replacement for Strantrol pH sensors W2T4677 or…

Add to Cart | $340.75

ORP1000 – ORP Sensor, Polycarbonate Laboratory

The ORP1000 is a durable and easy to use ORP sensor. Great for outdoor applications, such as monitoring swimming pool…

Add to Cart | $97.00

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