Lone Star Orchids is pleased to offer the pH/TDS/Temperature Monitor (HI 981504) featuring Hanna Instruments technology. The extra-large displays allow growers to continuously and simultaneously monitor pH, TDS and temperature measurements using three separate backlit LCDs. Easy to install in-line and can be easily mounted to a wall or solid surface. For more information call 866-433-8256 or visit the company website at http://www.lonestarorchids.com/.