Automated Dosing System from Waterco

Avoid heavy penalties with an automated dosing system - Waterco reminds public pool operators about sanitation regulations.

International swimming pool and water treatment specialist Waterco Ltd is reminding all public pool owners in NSW to make the switch to an automated or continuous metered disinfectant dosing system.

NSW Health brought in new regulations making the use of these systems compulsory for all public pools in September 2012, with certain other states and territories recommending their use.

Automated systems ensure the condition of the pool water is kept clean and healthy by constantly monitoring and controlling the pH and the Oxidation Reduction Potential (ORP).

"The pH level is important, because the efficiency of the sanitiser is related to the pH level," explains Waterco's Water Treatment Product Manager Victor Quijada. "If you use chlorine as a sanitiser and the pH goes over 7.8, the chlorine will lose about 80% of its efficiency.

"ORP is measured in mV, and is a measurement of the capacity of a sanitiser to oxidise and destroy organic matter. For chlorine the recommended value is 720 mV. If you have higher bather load the chlorine demand will increase, and as direct result the pool will experience a drop in the ORP value, indicating that more sanitiser is required."

Under the NSW health regulations, pools that are required to use an automated system include pools in hotels, motels and other accommodation, clubs, workplaces, schools, holiday units and hospitals. Non-compliance with the new regulations can result in penalties of up to $17 000 for an individual or $85 000 for a corporation.

Waterco's DIGICHEM Plus+ can provide a reliable automated dosing solution for commercial applications such as public pools.

"The DIGICHEM Plus+ has been used in the Water Treatment industries for more than 10 years with a proven track record," says Quijada.

"Once installed, it'll keep the parameter (mainly pH/ORP) within the set point value; if they fall outside these, the Digichem will try to fix it. If it cannot fix the parameter it'll notify you via SMS and/or e-mail of what is happening so water balance can be restored."

The DIGICHEM Plus+ constantly monitors and doses the pool with the appropriate chemicals to keep it at a healthy level. It is also connected to a nominated person that it sends an email/SMS to when the pool needs correction.

The key features of the DIGICHEM Plus+ include:

Monitoring, control and data logging of:

Conductivity/TDS/Temperature(optional)
pH
ORP

Continuous readout and of variables set point on backlit LCD
Internet based connectivity allowing logged data to be viewed and settings changed from any internet connection
Alarm messages sent to up to eight nominated people by sms and/or email
Remote monitoring and controlling on dedicated website
pH/ORP pumps controlled proportionally by automatically varying the ON/ OFF duty cycle of the pump depending on how far the measured pH/ORP is from set point
28 day timers for disabling pH/ORP outputs if 24/7 control is not desired
Disinfection feature to allow ORP control to a temporary high set point (Super Chlorination)
Notification of LOW Chemical Level (optional)
Weatherproof
Password protected access

Proven benefits

Monarco Estate in Westmead, Sydney, has been experiencing the benefits of the DIGICHEM Plus+ first hand since the system was installed around 18 months ago. Previous to this, the impressive 300,000 litre outdoor swimming pool that is half the size of an Olympic pool was experiencing cloudy water during periods of high usage.

"The challenges this pool poses to the sanitisation process is that the bather load can increase from 10 people to few hundred very quickly," says Steve Emett, technician at Swimart Carlingford, who services the facility. "So the water would become cloudy when there was a very high bather load, especially if it was combined with hot weather.

"Since the new system has been put in place, I have not had to dose the pool once. The beauty of the DIGICHEM Plus+ is that it constantly monitors the water balance and adjusts its dosage to cater to the changing conditions. The system is very reliable; it sure makes my job easier!"

Since the DIGICHEM Plus+ was installed at Monarco Estate, the residents have commented on how clear the water is all the time, even when there are many people in the water.

Waterco Limited Profile

02 9898 8686

36 South Street, Rydalmere, NSW, 2116

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Waterco Limited Profile

02 9898 8686

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