Chemtrol PC2100 Programmable pH/ORP Controller YGroup_plastic-signs The Chemtrol 240 is a

The Chemtrol 240 is a simple and easy-to-use controller

heater control with energy saver program and Langelier Saturation Index for water balance

and municipal water plants as well as well-water

The Rola-Chem 554508 Digital pH Liquid Acid/ORP Liquid Chlorine Controller Package includes two 77 GPD Pro Series Peristaltic Pumps for swimming pools up to 257

The Polaris 180 is designed for all types of inground pools

Chemtrol PC2100 Programmable pH/ORP Controller YGroup_plastic-signs The Chemtrol 240 is aThe Chemtrol PC2100 pH ORP Controller is a reliable yet simple programmable controller that features automatic maintenance of water chemistry (ORP and pH) with a display of the Langelier Saturation Index. It is an upgrade of the Chemtrol PC2000 controller with new, improved electronics, a large 8 line screen display, and a USB port for easy datalog download. The PC2100 features a flow cell assembly, sensor cleaning, remote alarm, and several other