Collection: Controllers, Timers, Meters, Testers, Probes & Other Measuring Instruments

Perris Hydroponics offers a comprehensive range of pH meters, pH testers, pH controllers, timers and calibration solutions for any growing medium, from soil to solution. Shop a wide variety of hydroponics accessories needed to manage and maintain your grow operation. We carry a range of timers & instruments needed to assemble your ideal hydroponics gardening setup. Control and monitor your indoor growing environment from afar with one of these precision instruments. Set them and know that your mechanical assistant will keep an eye out, turn things on or off, or adjust for you based on your preferred settings. Set light levels for different stages of plant growth, monitor up to three separate stations, and rest assured that your daytime and nighttime temperatures are being met with your preprogrammed set points.